5-1: Work

5-1: Work

What is work?

Multiple Choice

REVIEW: What unit do we measure energy with?

• newton

• joule

• kilogram

Multiple Select

In which of these situations is there work being done? (Choose all that apply.)

• Lifting a heavy box

• Carrying a box at a constant speed

• Pushing a box faster and faster

Multiple Choice

If you push an object with a 50 N force over a 10 m distance, what work did you do?

• 500 J

• 5 J

• 0.2 J

Multiple Choice

You raise an object weighing 50 N a height of 10 m. How much work did you do?

• 500 J

• 5 J

• 0.2J

Multiple Choice

You raise an object weighing 50 N a height of 10 m. How much GPE did it gain?

• 500 J

• 5 J

• 0.2J