| A | B |
| kinetic energy | depends on the speed of an object |
| rate | a measure of the way a quantity changes over time |
| speed | measured in m/s |
| power | the amount of work done each second |
| deceleration | the slowing down of objects; negative acceleration |
| load distance | the vertical distance to which you lift a cart |
| lever | a simple machine used to transmit force |
| energy | can change from one form to another |
| potential energy | stored and ready to be used to do work |
| linear springs | springs that move back and forth in a line |
| effort distance | the distance an object moves |
| Hooke's Law | states that force is directly proportional to the stretch of a spring |
| inertia | the tendency for objects to maintain their motion when no forces act in them |
| Robert Hooke | the person first to describe the nature of elastic force |
| velocity | the speed at which an object is traveling in a single direction |
| spring constant | this tells how much force the spring exerts for each unit of compression |
| gravitational force | this type of force is directly proportional to the mass of an object |
| effort force | the force that is applied to lift an object such as a sled |
| spring scale | a tool used to measure force |
| rotational spring | a spring that moves back and forth around an axis of rotation |
| energy | the ability to do work |
| motion | to move from one location or position based on a reference point |
| acceleration | the rate at which the speed changes |