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Question 11.Which of the following is NOT a rotational variable?
Question 22.Which of the following is a correct definition of moment of inertia?
Question 33.Which of the following defines inertia?
Question 44.Which of the following is a correct definition of rotational motion?
Question 55.If a force of 10 newtons is applied at a distance of 5 meters from a pivot point, what torque does this produce?
Question 66.What is the definition of angular velocity?
Question 77.Which of the following quantities does not affect an object's angular momentum?
Question 88.When an object is in rotational equilibrium the sum of which external property acting on the object must equal zero?
Question 99.How do we know that rotating objects have kinetic energy?
Question 1010.If the angular velocity of a spinning disk is 6 radians per second, and four seconds later it is 20 radians per second, what is the angular acceleration of the disk during that time?
Question 1111.What are the units of moment of inertia?
Question 1212.A merry-go-round is pushed with a torque of 500 newton-meters, around an angle of 2-pi radians. How much work is done in this process?
Question 1313.An spinning top with uniform mass distribution is rotating around its axis at a rate of three rotations every six seconds. If the moment of inertia of the object is 2 kg m^2, how much rotational kinetic energy does the spinning top contain?
Question 1414.What is the theoretical value for the moment of inertia of a 2 kilogram solid sphere of radius 0.03 meters?
Question 1515.A planet is orbiting a star in a perfect circle. It has a velocity of 4x10^4 m/s, a mass of 3 x 10^24 kg. If at a particular moment it's orbiting at a radius of 2 x 10^11 meters, how much angular momentum does it have?
Question 1616.A spinning top is spun at an angular velocity of 3 radians per second, by applying a torque of 10 newton-meters. How much power is being transferred to the spinning top?
Question 1717.Which of the following is NOT a rotational kinematics quantity?
Question 1818.What happens when an ice-skater moves in her arms?
Question 1919.Which of the following is an example of an object experiencing rotational motion?
Question 2020.Which of the following is an example of an object experiencing translational motion?
Question 2121.What is the definition of conservation of momentum?
Question 2222.Assuming the total mechanical energy is conserved, which of the following is an accurate description of the energy transfer of a ball that starts at rest at the top of a ramp and then rolls down to the bottom at ground level? (The following abbreviations are used: GPE = gravitational potential energy, TKE = translational kinetic energy, RKE = rotational kinetic energy.)
Question 2323.If it wasn't for friction or air resistance, what would happen to a spinning top?
Question 2424.Which of the following is a correct definition of torque?
Question 2525.If you hold a stack of heavy books for 10 minutes, are you doing work, and why?
Question 2626.What is true about the velocity an object can experience while under translational equilibrium, and the angular velocity an object can experience while under rotational equilibrium?
Question 2727.Which of the following is a correct definition of moment of inertia?
Question 2828.A spinning top is spun at 720 degrees in five seconds, by applying a torque of 10 newton-meters. How much power is being transferred to the spinning top? Note: 180 degrees is equal to pi (3.14) radians.
Question 2929.What is the angular equivalent of 'position'?
Use the following data from a repeat of the ball experiment, to figure out the moment of inertia of a second ball:
Mass of the ball: 1 kg.
Radius of the ball: 0.02 meters.
Height of the hill: 0.3 meters.
Translational velocity at bottom: 2.2 m/s
Rotational velocity at bottom: 80 rads/s
Rotational Motion in Physics Chapter Exam Instructions
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