Forces

2. Magnetic force can act at a ______.
4. A ____ is a push or pull.
5. A force can make a _______ object move or stop the motion of a moving object.
6. An object or person will the ____ mass on the moon or other planets.
7. Friction causes wear and _____.
9. _______ spring force is the force exerted on an object when a spring is being stretched or compressed by an object.
12. _______ force is the force of attraction between two objects that have mass.
13. Friction acts in the _____ direction as the motion of an object.
14. A force can change the ________ and speed of a moving object, or make it stop.
15. The unit of force.
17. A force can change the _____ of an object.

1. Friction produces _____ when two objects rub against each other.
2. An object or person will have _______ weight on the moon or other planets.
3. ______ is the amount of matter or substance in an object.
5. A ______ body shape reduces friction produced.
8. _______ force is exerted by magnets on other magnets or magnetic materials. It can be a push or pull.
10. _______ force is the force which occurs when two surfaces come into contact with each other.
11. The _______ the surface, the greater the force of friction.
16. ______ is the amount of gravitational force acting on an object.