7R simple machines quiz practice

Identify this simple machine

• Lever
• Wheel & Axle
• Inclined Plane
• Screw

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Two examples of a pulley...

• knife & axe blade
• lightbulb & screw
• flagpole hoist & window blinds
• catapult & teeter totter

Which of the following does a simple machine do?

• allows the users to apply less force over a longer distance
• reduce the amount of force needed to do work
• change the direction of the applied force
• all of the above

An inclined plane wrapped around a rod forms this simple machine 

• lever
• pulley
• screw
• wedge 

An axe is an example of a

• pulley
• inclined plane
• screw
• wedge 

A seesaw is an example of a  

• wedge
• lever 
• inclined plane 
• pulley 

Which is not a type of simple machine?

• spring
• screw
• pulley
• wedge

When there is both force AND motion, what is being done?

• mechanical advantage

• motion

• force

• work 

Tags

NGSS.MS-PS3-5

Which of the following is NOT one of the things a machine can do?

• Changes the amount of force required.

• Changes the distance over which the force is exerted.

• Changes the direction of the force.

• Changes the amount of work done.

Tags

NGSS.MS-PS2-2

The fixed point around which a lever rotates is know as the

• wheel.

• fulcrum.

• input force.

• output force.