Across
- 3. when an object has more of this, more force is needed to increase its velocity
- 7. when one thing increases another thing also increases
- 8. speed in a certain direction
- 10. a force that acts in the opposite direction of motion
Down
- 1. change in velocity
- 2. this is friction from air or water
- 4. this is calculated by dividing distance over time
- 5. this is needed anytime an object changes velocity
- 6. direction a force needs to be exerted to speed an object up
- 9. during a collision forces are exerted in ________ directions, but are the same strength