Simple Machines Quizizz

Which of the following simple machines is used to lift a load with a rope?

• Lever

• Pulley

• Inclined plane

• Wheel and axle

Draw a coordinate plane and a vector that shows the force of a boy using an inclined plane to move up a box

If you push an object over a rough surface, which force opposes the movement?

• Gravity

• Friction

• Tension

• Inertia

How does the amount of effort you need to use a lever change if you move the fulcrum closer to the load?

An inclined plane increases the effort needed to move an object.

• True

• False

Which of the two inclined planes gives you a greater mechanical advantage

• The one on the left

• The one on the right

1.    The ___________ of an inclined plane affects the force needed to move an object up or down.

A construction worker has to move a heavy stone to the top of a hill. What simple machine should he use? Draw it in the blanl

A construction worker needs to lift a heavy rock using a lever. The fulcrum is placed closer to the load. What effect will this have on the amount of force required?

• It will require more force.

• It will require less force.

• It will require the same amount of force.

• It will require no force at all.

In a first-class lever, what is in the middle?

• Effort

• Load

• Fulcrum

• None of the above