Pre-AP Physics Exam 7 Numbers 6-10

1. 7. What kind of simple machine is like two inclined planes placed back-to-back?

A. a lever

B. a screw

C. a wedge

D. a wheel and axle

A. a wedge

B. a lever

C. a pulley

D. a screw

A. Lever

B. Inclined plane

C. Wheel and axel

D. Pulley

A. Force

B. Fulcrum

C. Lever

D. Pulley

A. do less work to perform a given task.

B. use less force to do a given amount of work.

C. decrease both the input force and input distance required to do work.

D. increase both the input force and input distance required to do work.