Energy and Momentum Test Review

Which of the following is the SYMBOL for work?

• W

• J

• E

• p

Which of the following is the UNIT for work?

• W

• J

• P

• N

What is WORK?

• The process of transferring energy

• Effort expended in performing as task

• A force which transfers energy

• The product of force and distance

Tags

NGSS.HS-PS2-1

Which of the following is required to perform work?

• A force must be applied

• An object must move a distance

• The force must cause the motion

• Momentum must change

Tags

NGSS.HS-PS3-1

Determine the amount of work done to move a car 50 meters forward with a 50,000 N force.

• 1000 J

• 10,000 J

• 250,000 J

• 2,500,000 J

What is the SYMBOL for power?

• W

• P

• J

• F

What is the UNIT for power?

• J

• W

• F

• N

What is the general equation for Power?

• P = Fd

• P = F / t

• P = W/t

• P = mv

6,000 J of work at performed in 10 seconds. How much power is exerted?

• 60,000 W

• 6,000 W

• 600 W

• 60 W

A box is moved across the floor 5 meters in 5 seconds by a 20 N force. Determine the power exerted?

• 5 W

• 20 W

• 100 W

• 500 W