Rube Goldberg Machines

Kinetic energy is

• Energy of moving objects
• Energy stored in an object
• Energy within plants
• Energy from heat

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

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

• increase the length of the ramp
• increase the height of the ramp
• decrease the length of the ramp

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NGSS.MS-ETS1-1

This device is a 

• wedge
• lever
• incline plane
• wheel and axle

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NGSS.MS-ETS1-1

How much work is done if I use 5 Newtons to move an object 2 meters?

• 10 Newtons
• 10 meters
• 10 Joules
• 7 Joules

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NGSS.HS-PS3-1

NGSS.HS-PS3-2

How much work is done if I use 10 Newtons to move an object 3 meters?

• 30 Newtons
• 13 meters
• 30 Joules
• 30 meters

Tags

NGSS.HS-PS3-1

A simple machine is a device that helps to reduce the amount of _____ required to do work.

• force
• energy
• work

____ is done when a force is applied over a distance.

• energy
• work
• force

The efficiency of a machine can be increased by reducing __________________________. 

• effort
• force
• fulcrum
• friction

Tags

NGSS.MS-PS2-2

NGSS.MS-ETS1-4

In which of these cases is work being done? 

• A student sleeps
• A student pushes a locked door that does not move
• a student picks up and carries his chair into another room
• A student sits on the carpet

The unit used to measure work is the 

• Watt
• Newton
• Joule
• Meter