# Physical Science

## Chapter 3: Forces

### Standardized Test Practice

 1. If you swing a large washer on a string in a circle, the net force is _______. A) toward your hand B) away from your hand C) in the direction of motion of the weight D) toward the ground 2. Each of the following is a force, except _______. A) air resistance B) friction C) acceleration D) gravity 3. The forces on the car are balanced at segment labeled _______. (5.0K) A) d B) a C) c D) e 4. The motion of the ball on the right is called _______. (5.0K) A) centripetal motion B) projectile motion C) free fall D) momentum 5. Compared to the ball on the left, the ball on the right will hit the ground _______. (5.0K) A) at the same time B) first C) harder D) second 6. The amount of gravitational force exerted on an object is its _______. A) acceleration B) mass C) velocity D) weight 7. The force of gravity is exerted between Earth and an object _______. A) on its surface B) too close to be in free fall C) at any distance D) when it is falling 8. The rate at which an object falls depends on _______. A) the density of the object B) the mass of the object C) the volume of the object D) the force of gravity 9. During which segment or segments on this graph is the car moving fastest? (18.0K) A) a B) c C) d D) e 10. Which segment represents negative acceleration? (18.0K) A) a and c B) b and d C) e D) b, d, and e
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