Using Force Arrows in Physics Diagrams


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question 1 of 3

An object is moving across the floor to the right, and forces act on it as shown in the free-body diagram below. What will happen to the motion of the object in the next few moments?

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1. A ball is falling toward the Earth. Which of these force arrows correctly represents the force of gravity that acts on the ball as it falls?

2. Sarah pulls on a rope with a certain force, and then her brother pulls on the rope with three times the force that Sarah did (he is really strong!). If you were to draw a force arrow of each of these forces, how does the force arrow representing her brother's force compare to the force arrow representing Sarah's force?

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About This Quiz & Worksheet

This quiz/worksheet combo will quickly measure your knowledge of force arrows in physics. Answer questions about what they represent and how they are used.

Quiz & Worksheet Goals

In this set of questions you'll test your understanding of:

  • Force arrows used to represent gravity
  • Combining multiple opposing forces into a single directional force arrow
  • The length of a force arrow

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the lesson, such as what the length of a force arrow corresponds to
  • Problem solving - use acquired knowledge to solve force arrow practice problems
  • Knowledge application - use your knowledge to answer questions about what different force arrows represent about gravity and applied energy

Additional Learning

To get a better understanding of this type of energy representation, read the lesson titled Using Force Arrows in Physics Diagrams. You will explore:

  • Magnitude and direction
  • Examples of force arrows
  • Free body diagrams