Work and Simple Machines Review

Front

Which simple machine is thick at one end and tapers to a sharper edge at the other end? Options: wheel and axle, pulley, wedge, lever

Back

wedge

Front

a grooved wheel with a rope wrapped around it

Back

pulley

Front

What is work?

Back

a force exerted on an object that causes it to move

Front

A simple machine ___________.

Back

makes work easier

Front

Which position would be the best position for the fulcrum to decrease the effort needed to lift the weight?

Back

1

Front

If you wanted to lift a heavy box using a lever, then you should ___________.

Back

move the fulcrum closer to the box

Front

Which inclined plane would require the least amount of effort force? Options: A, B, C, D

Back

D

Front

A ____________ is made of rigid bar and a fulcrum.

Back

lever

Front

an inclined plane wrapped around a cylinder

Back

screw

Front

What unit is used to measure force? Options: Joules, Newtons, meters, m/s

Back

Newtons