Review for Work and Machines Test

Work is the measure of _?

• how much work is useful work

• a push or a pull

• the output force to the input force

• the force applied through a distance

Tags

NGSS.MS-PS3-5

What is the definition of force?

• how much work is useful work

• a push or a pull

• the output force to the input force

• the force applied through a distance

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

If you put in effort to move something but it does not move, there still has been work done.

• True

• False

If you apply a force, the object must move.

• True

• False

When a force is applied, the object must move in the same direction that the force was applied.

• True

• False

Tags

NGSS.HS-PS2-1

What term does this equation belong to?

• Work

• Force

• Efficiency

• Mechanical Advantage

What units are work measured in?

• Meters

• Joules

• Newtons

• No Units - it is a ratio

Tags

NGSS.MS-PS3-5

What units are force measured in?

• Meters

• Joules

• Newtons

• No Units - it is a ratio

What units is distance measured in?

• Meters

• Joules

• Newtons

• No Units - it is a ratio

A machine is a device that changes the force or increases the motion of the work.

• True

• False

Tags

NGSS.MS-ETS1-1