Power, Work and Energy Problems

units of force are

• netwons
• grams
• joules
• meters

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

units for work are

• netwons
• joules
• meters
• seconds

if you push a cart with a force of 60 N for 2 m... how much work have you done

• 120 J
• 30 J
• 120 N 
• 30 N

Tags

NGSS.MS-PS2-2

both work and energy are measured in 

• joules
• newtons
• meters
• seconds

The unit used to measure power is the 

• Watt
• Newton
• Joule
• Newton*meter

Which of the following is the best example of work being done.

• studying for a test

• lifting a box

• carrying groceries into your house

• holding a box

 Work done = Force x _________

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

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

__________ is stored energy. 

• Potential
• Kinetic
• None of the above 
• All of the above