Science Ch 8

The ability to do work is called ......

• energy

• power

• modern

• machine

The force that resists the movement of objects against each other is called ...

• gravity

• friction

• energy

• battery

The force that pulls all objects toward the earth’s center is called ....

......... is measured by how much force it takes to move an object and how far the object moves.

A simple machine that is made up of a bar that turns on a point is called ....

The point the bar turns on is called the ......

• fulcrum

• gravity

• magnet

• friction

A wheel with a groove that holds a rope is called.....

A flat, slanted surface is called.......

A wheel with a rod running through it is called...........

• push and pull

• wedge and pulley

• gravity and fraction

• wheel and axle

Label the object with the simple machine