Quiz 8A machines and movement

The force that pulls all objects toward the earth's center is:

• friction

• gravity

• energy

Tags

NGSS.HS-PS2-4

What is done when a force moves an object over a distance?

• friction

• energy

• work

Tags

NGSS.MS-PS3-4

The ability to do work

• energy

• gravity

• friction

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

A SIMPLE MACHINE makes _______ easier

The force applied to a simple machine to do work is called:

• load

• distance

• effort

Name two objects that are classified as LEVERS.

A lever is a simple machine that is made of a bar that turns on a point. What is the point that the bar turns on called?

• fulcrum

• wheel

• cylinder