Work, Power, and Simple Machines

The unit used to measure work is the 

• Watt
• Newton
• Joule
• meter

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

A force exerted over a distance to move an object is ______________________.

• power
• work
• momentum
• Watt

Force is a _____ or _______

• simple    complex
• push     pull
• up      down
• in      out

Tags

NGSS.MS-PS2-1

The amount of work done in a certain amount of time is known as 

• work
• effort force
• resistance force 
• power

 Work done = Force x _________

• a. distance
• b. acceleration
• c. velocity
• d. speed

What is the equation for work?

• W = mass * acceleration
• W = force * distance
• W = force/distance
• W = speed/time

The unit used to measure power is the 

• Watt
• Newton
• Joule
• Newton*meter

Power is defined as the quantity that measures the rate at which _____ is done or energy is transformed.

• energy
• time
• work
• elasticity

Tags

NGSS.MS-PS3-5

A force exerted over a distance to move an object is ______________________.

• power
• work
• momentum
• Watt

In which of these cases is work being done? 

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

Tags

NGSS.MS-PS3-5