Work and Power REVIEW

Ana, has a mass of 105 kg, is walking up a set of stairs that are 5 meters high. What is Ana's work?

• 105 N

• 4425 J

• 1195.9 J

• 5145 J

Tags

NGSS.HS-PS3-1

If 10, 000 J of work is done by a bulldozer outputting 1000 N of Force, what is the displacement?

• 10 m

• 20 m

• 100 m

• 200 m

Tags

NGSS.HS-PS3-2

How much work has been done on an object with a force of 2000 N being displaced 2 m?

• 4000 J

• 1,000 J

• 40 J

• 150 J

Tags

NGSS.HS-PS3-1

What is the unit for mass

• meters

• seconds

• kilograms

• meters/sec

What is the unit for time?

• seconds

• meters

• kilograms

• meters/sec

What are the units for power?

• joules

• meters

• watts

• seconds

How much power is used when a person has 100 kg moves 20 m over 2 seconds?

• 19600 J

• 9800 J

• 9800 W

• 0 W

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the equation for power?

• W/t

• F*d

• m*g*d

• m*a

What is the unit for displacement

• seconds

• joules

• watts

• meters

What is the work done when a person applies a force of 20 N on a box 10 m?

• 2 J

• 20 J

• 200 W

• 200 J