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Finding the Direction of Acceleration of a Piston

  • 1.

    A piston having a volume of 6 L and containing 80 moles of ideal gas at 550 K has above it a mass of 120 kg. In which direction will the piston accelerate if it has a cross section of {eq}0.04\ m^2 {/eq}?

    Answers:

    • The piston moves downward.

    • The piston moves upward.

    • The piston moves to the left.

    • The piston moves to the right.

  • 2.

    A mass of 15 kg is on a piston having a cross section of {eq}0.08\ m^2 {/eq}, inside the piston there are 35 moles of ideal gas at 320 K and it has a volume of 6 L. What will be the direction in which the piston will accelerate?

    Answers:

    • The piston moves to the right.

    • The piston moves downward.

    • The piston moves to the left.

    • The piston moves upward.

  • 3.

    What will be the direction of acceleration of a piston of 8 L volume with a mass of 25 kg and 85 moles of an ideal gas at a temperature of 360 K. The piston has a cross section of {eq}0.09\ m^2 {/eq}.

    Answers:

    • The piston moves downward.

    • The piston moves upward.

    • The piston moves to the right.

    • The piston moves to the left.

  • 4.

    A weight of 115 N is on a piston having inside it 150 moles of ideal gas at a temperature of 360 K. Determine in which direction the piston will accelerate.

    The volume of the piston is 8 L and it has cross section {eq}1.2\ m^2 {/eq}.

    Answers:

    • The piston moves to the left.

    • The piston moves downward.

    • The piston moves upward.

    • The piston moves to the right.

  • 5.

    A piston has inside it 175 moles of ideal gas at a temperature of 410 K, has a volume of 5 L and a cross section of {eq}0.8\ m^2 {/eq}. Calculate the direction in which the piston is accelerated if it has a weight above 160 N.

    Answers:

    • The piston moves upward.

    • The piston moves to the left.

    • The piston moves to the right.

    • The piston moves downward.

  • 6.

    A piston has a volume of 15 L and a cross section of {eq}0.06\ m^2 {/eq}, inside it has 98 moles of ideal gas at a temperature of 360 K. Determine the direction in which the piston will accelerate if there is a mass of 96 kg on it.

    Answers:

    • The piston moves upward.

    • The piston moves to the right.

    • The piston moves to the left.

    • The piston moves downward.

  • 7.

    A mass of 5 kg is on a piston that has inside it 230 moles of ideal gas at 420 K, the piston has a volume of 6.5 L and a cross-sectional area of {eq}0.07\ m^2 {/eq}. What is the direction in which the piston will accelerate?

    Answers:

    • The piston moves downward.

    • The piston moves to the right.

    • The piston moves to the left.

    • The piston moves upward.

  • 8.

    Determine the direction in which a piston having a mass on it of 135 kg will accelerate. The piston has a volume of 3.5 L and a cross-sectional area of {eq}0.05\ m^2 {/eq}, inside it has 65 moles of ideal gas at a temperature of 295 K.

    Answers:

    • The piston moves to the right.

    • The piston moves downward.

    • The piston moves to the left.

    • The piston moves upward.

  • 9.

    Calculate the direction in which a piston with a cross-sectional area of {eq}0.1\ m^2 {/eq} and a volume of 55 L will accelerate, the piston has inside it 365 moles of ideal gas at a temperature of 478 K. A weight of 260 N is on the piston.

    Answers:

    • The piston moves to the right.

    • The piston moves downward.

    • The piston moves upward.

    • The piston moves to the left.

  • 10.

    A mass of 85 kg is placed on top of a piston having inside it 210 moles of ideal gas at a temperature of 510 K. In which direction will the piston accelerate if it has a cross-sectional area of {eq}0.5\ m^2 {/eq} and a volume of 4.8 L?

    Answers:

    • The piston moves upward.

    • The piston moves downward.

    • The piston moves to the right.

    • The piston moves to the left.

  • 11.

    A piston has inside it 134 moles of ideal gas at a temperature of 320 K, has a volume of 6 L and a cross section of {eq}0.6\ m^2 {/eq}. Calculate the direction in which the piston is accelerated if it has a weight above 132 N.

    Answers:

    • The piston moves downward.

    • The piston moves upward.

    • The piston moves to the right.

    • The piston moves to the left.

  • 12.

    A piston having a volume of 2 L and containing 92 moles of ideal gas at 434 K has above it a mass of 111 kg. In which direction will the piston accelerate if it has a cross section of {eq}0.03\ m^2 {/eq}?

    Answers:

    • The piston moves downward.

    • The piston moves upward.

    • The piston moves to the left.

    • The piston moves to the right.

  • 13.

    A weight of 131 N is on a piston having inside it 140 moles of ideal gas at a temperature of 379 K. Determine in which direction the piston will accelerate.

    The volume of the piston is 9 L and it has cross section {eq}1.5\ m^2 {/eq}.

    Answers:

    • The piston moves to the right.

    • The piston moves to the left.

    • The piston moves upward.

    • The piston moves downward.

  • 14.

    Calculate the direction in which a piston with a cross-sectional area of {eq}0.2\ m^2 {/eq} and a volume of 37 L will accelerate, the piston has inside it 355 moles of ideal gas at a temperature of 480 K. A weight of 272 N is on the piston.

    Answers:

    • The piston moves upward.

    • The piston moves downward.

    • The piston moves to the right.

    • The piston moves to the left.

  • 15.

    A mass of 19 kg is on a piston having a cross section of {eq}0.06\ m^2 {/eq}, inside the piston there are 45 moles of ideal gas at 312 K and it has a volume of 6 L. What will be the direction in which the piston will accelerate?

    Answers:

    • The piston moves to the left.

    • The piston moves upward.

    • The piston moves to the right.

    • The piston moves downward.

  • 16.

    A mass of 79 kg is placed on top of a piston having inside it 221 moles of ideal gas at a temperature of 530 K. In which direction will the piston accelerate if it has a cross-sectional area of {eq}0.7\ m^2 {/eq} and a volume of 3.8 L?

    Answers:

    • The piston moves upward.

    • The piston moves to the right.

    • The piston moves downward.

    • The piston moves to the left.

  • 17.

    Determine the direction in which a piston having a mass on it of 165 kg will accelerate. The piston has a volume of 3.8 L and a cross-sectional area of {eq}0.09\ m^2 {/eq}, inside it has 72 moles of ideal gas at a temperature of 254 K.

    Answers:

    • The piston moves upward.

    • The piston moves to the right.

    • The piston moves to the left.

    • The piston moves downward.

  • 18.

    What will be the direction of acceleration of a piston of 7.6 L volume with a mass of 19 kg and 69 moles of an ideal gas at a temperature of 381 K. The piston has a cross section of {eq}0.07\ m^2 {/eq}.

    Answers:

    • The piston moves to the right.

    • The piston moves downward.

    • The piston moves upward.

    • The piston moves to the left.

  • 19.

    A mass of 8 kg is on a piston that has inside it 245 moles of ideal gas at 408 K, the piston has a volume of 5.5 L and a cross-sectional area of {eq}0.04\ m^2 {/eq}. What is the direction in which the piston will accelerate?

    Answers:

    • The piston moves downward.

    • The piston moves upward.

    • The piston moves to the right.

    • The piston moves to the left.

  • 20.

    A piston has a volume of 17 L and a cross section of {eq}0.05\ m^2 {/eq}, inside it has 101 moles of ideal gas at a temperature of 307 K. Determine the direction in which the piston will accelerate if there is a mass of 88 kg on it.

    Answers:

    • The piston moves to the left.

    • The piston moves upward.

    • The piston moves downward.

    • The piston moves to the right.

  • 21.

    A mass of 4.6 kg is on a piston that has inside it 259 moles of ideal gas at 440 K, the piston has a volume of 5.6 L and a cross-sectional area of {eq}0.08\ m^2 {/eq}. What is the direction in which the piston will accelerate?

    Answers:

    • The piston moves to the right.

    • The piston moves downward.

    • The piston moves upward.

    • The piston moves to the left.

  • 22.

    Calculate the direction in which a piston with a cross-sectional area of {eq}0.3\ m^2 {/eq} and a volume of 53 L will accelerate, the piston has inside it 355 moles of ideal gas at a temperature of 488 K. A weight of 266 N is on the piston.

    Answers:

    • The piston moves downward.

    • The piston moves to the left.

    • The piston moves to the right.

    • The piston moves upward.

  • 23.

    A mass of 21 kg is on a piston having a cross section of {eq}0.04\ m^2 {/eq}, inside the piston there are 41 moles of ideal gas at 329 K and it has a volume of 9 L. What will be the direction in which the piston will accelerate?

    Answers:

    • The piston moves downward.

    • The piston moves upward.

    • The piston moves to the right.

    • The piston moves to the left.

  • 24.

    A piston has inside it 183 moles of ideal gas at a temperature of 467 K, has a volume of 2.3 L and a cross section of {eq}0.2\ m^2 {/eq}. Calculate the direction in which the piston is accelerated if it has a weight above 157 N.

    Answers:

    • The piston moves to the left.

    • The piston moves downward.

    • The piston moves upward.

    • The piston moves moves to the right.

  • 25.

    A piston having a volume of 7.8 L and containing 83 moles of ideal gas at 583 K has above it a mass of 183 kg. In which direction will the piston accelerate if it has a cross section of {eq}0.07\ m^2 {/eq}?

    Answers:

    • The piston moves upward.

    • The piston moves to the right.

    • The piston moves downward.

    • The piston moves to the left.

  • 26.

    What will be the direction of acceleration of a piston of 9.9 L volume with a mass of 32 kg and 97 moles of an ideal gas at a temperature of 347 K. The piston has a cross section of {eq}0.08\ m^2 {/eq}.

    Answers:

    • The piston moves upward.

    • The piston moves downward.

    • The piston moves to the left.

    • The piston moves to the right.

  • 27.

    A piston has a volume of 18 L and a cross section of {eq}0.06\ m^2 {/eq}, inside it has 91 moles of ideal gas at a temperature of 333 K. Determine the direction in which the piston will accelerate if there is a mass of 86 kg on it.

    Answers:

    • The piston moves downward.

    • The piston moves to the right.

    • The piston moves to the left.

    • The piston moves upward.

  • 28.

    A mass of 65 kg is placed on top of a piston having inside it 261 moles of ideal gas at a temperature of 525 K. In which direction will the piston accelerate if it has a cross-sectional area of {eq}0.7\ m^2 {/eq} and a volume of 2.8 L?

    Answers:

    • The piston moves to the left.

    • The piston moves downward.

    • The piston moves upward.

    • The piston moves to the right.

  • 29.

    A weight of 134 N is on a piston having inside it 152 moles of ideal gas at a temperature of 345 K. Determine in which direction the piston will accelerate.

    The volume of the piston is 6.9 L and it has cross section {eq}1.9\ m^2 {/eq}.

    Answers:

    • The piston moves downward.

    • The piston moves to the left.

    • The piston moves to the right.

    • The piston moves upward.

  • 30.

    Determine the direction in which a piston having a mass on it of 156 kg will accelerate. The piston has a volume of 5.5 L and a cross-sectional area of {eq}0.02\ m^2 {/eq}, inside it has 46 moles of ideal gas at a temperature of 272 K.

    Answers:

    • The piston moves downward.

    • The piston moves to the left.

    • The piston moves upward.

    • The piston moves to the right.

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