| A | B |
|---|
| What is WORK? | force times distance |
| What are JOULES? | measure of work |
| What is MECHANICAL ADVANTAGE? | output force divided input force |
| What is EFFICIENCY? | percent comparison of output work to input work |
| What is a FULCRUM? | pivot point of a lever |
| What are GEARS? | two toothed wheel and axles |
| What is an example of a LEVER? | wheelbarrow, crowbar, seesaw |
| What is an example of a WEDGE? | axe, knife, zipper |
| What is an example of an INCLINED PLANE? | ramp |
| What does FRICTION do to EFFICIENCY? | decreases efficiency |
| Ramp height is 2 m, length is 12 m. IMA is? | IMA = 6 |
| Radius of wheel is 30 cm, radius of axle is 15 cm. IMA is? | IMA = 2 |
| Input distance is 3 m, output distance is .2 m. IMA is? | IMA = 15 |
| Input force is 400 N, output force is 1,600 N. IMA is? | IMA = 4 |
| Output work is 400 J, input work is 800 J. Efficiency is? | 50% |
| Output work is 3,900 J, input work is 34,800 J | 11% |
| A force of 560 N over a distance of 10 meters. Work is? | 5,600 J |
