Work and Simple Machines Review

Front

Which unit is used to measure force?

Back

Newtons

Front

Which pulley or pulley system would require the least amount of force?

Back

D

Front

Simple machines make work easier because they __________________.

Back

reduce force and/or increase distance

Front

Which part is a fixed pulley?

Back

1

Front

In science, what does it mean to do work?

Back

to use a force to move an object over a distance

Front

What is a simple machine?

Back

A device that makes work easier by allowing us to push or pull in a more effective way.

Front

Name the six types of simple machines.

Back

Lever, Inclined Plane, Wedge, Screw, Pulley, Wheel and Axle.

Front

What is a lever?

Back

A simple machine that consists of a bar that pivots on a fixed point called the fulcrum.

Front

What is an inclined plane?

Back

A flat surface that is tilted at an angle to help lift objects.

Front

What is a wedge?

Back

A simple machine that is a triangular shaped tool used to separate objects.