Simple Machines Quiz

Force, energy, or power supplied to make a machine work.

• output

• input

• lever

• gear

An unpowered mechanical device that accomplishes a task with only on movement

• lever

• machine

• simple machine

• fulcrum

The ratio of output force divided by input force.

• 3 classes of levers

• Value of output force

• Fulcrum

• MA

Forces, energy, or power provided by the machine.

• output

• input

• gear ratio

• MA

Flagpole

• wedge
• pulley
• incline plane
• wheel and axle

Tags

NGSS.MS-PS2-1

A _____ pulley only changes the direction of the force.

• movable
• fixed
• alternate

How can an incline plane reduce the amount of force required to lift an object?

• increase the distance of the ramp

• increase the height of the ramp

• decrease the distance of the ramp

Which of the following is true for the picture?

• elephant is the fulcrum, mouse is the effort, triangle is the load
• mouse is the fulcrum, triangle is the effort, elephant is the load
• triangle is the fulcrum, mouse is the effort, elephant is the load

Tags

NGSS.3-PS2-1

A push or pull is a 

• load
• fulcrum
• force
• work

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A simple machine that splits an object apart is a

• inclined plane
• fulcrum
• wedge
• lever