click below
click below
Normal Size Small Size show me how
Chapter 10 Motion
motion vocabulary
| Question | Answer |
|---|---|
| Force of attraction between objects. | Gravity |
| Anything that is shot or thrown through the air. | projectile |
| A push or a pull. | force |
| Projectiles follow a ______ path. | curved |
| Does mass remain constant everywhere in the universe? | yes |
| Unit for force. | Newton |
| Forces that are equal is size but opposite in direction are ..... | balanced forces |
| Force created by two objects sliding past each other. | Friction |
| A 15 newton forces to the right acts on a 10 newton force to the left. Which direction does the object move? | right |
| What kind of friction is air resistance? | fluid friction |
| Measure of the force of gravity on an object. | weight |
| When the only directional force acting on an object is gravity, the object is experiencing.. | freefall |
| All objects near the earth's surface _______ at 9.8 m/s/s. | accelerate |
| What is the fastest speed a falling object can reach? | terminal velocity |
| What is the net force of a 10 N force to the left acting on a 10 N force acting to the right? | zero |
| Which law states that an object stays in motion until an unbalanced force acts upon it? | Newton's 1st law |
| Which law states that force equals mass x acceleration? | Newton's 2nd law |
| Tendency of an object to resist a change in motion. | inertia |
| The greater the _____, the greater the inertia. | mass |
| Which law states that for every action, there is an equal and opposite reaction force. | Newton's 3rd law |
| Gravity is affected by mass and _______. | distance |
| The product of mass x velocity is ..... | momentum |
| An object that orbits another object is called a(n).... | satellite |
| Force that makes an object move in a circular path. | centripetal |