Simple Machines Quiz Review

Sloping surface that reduces the amount of force required to do work.

• lever

• inclined plane

• wedge

• pulley

A ladder is an example of this

• lever

• pulley

• screw

• inclined plane

A fixed, moveable, and block & tackle are 3 types of these

• lever

• pulley

• screw

• wedge

2 inclined planes back to back

• inclined plane

• lever

• wedge

• screw

A 1st class, 2nd class, and 3rd class are 3 types of these

• wedge

• lever

• inclined plane

• pulley

Which shows the relationship between work, force, and distance?

• work x force = distance

• work x distance = Force

Ideal Mechanical advantage of a movable pulley

• 2

• 1

• Not enough information.

• 0

Which is not in the inclined plane family?

• wedge

• screw

• ramp

• wheel and axle

Mechanical advantage of a ramp that is 15 meters long and 3 meters high

• 5

• 3.5

• 15

• .2

A force of 100 N was needed to lift a rock. A total of 150 J work was done. How far was the rock lifted?

• 1.5 m

• 2 m

• 15000 m

• .67 m