Ch8 Force/Work/Power Quiz

If you exert 50 newtons of force against an object and move it 30 meters, how much work have you accomplished?

• 15 Joules of work

• 150 Joules of work

• 1,500 Joules of work

• 15,000 Joules of work

If you exert 10 newtons of force against an object and move it 25 meters, how much work have you accomplished?

• 25 Joules of work

• 250 Joules of work

• 2,500 Joules of work

• 25,000 Joules of work

If you exert 100 newtons of force against an object and move it 2 meters, how much work have you accomplished?

• 20 Joules of work

• 200 Joules of work

• 2,000 Joules of work

• 20,000 Joules of work

If you exert 15 newtons of force against an object and move it 21 meters, how much work have you accomplished?

• 275 Joules of work

• 300 Joules of work

• 315 Joules of work

• 325 Joules of work

If you exert 12.5 newtons of force against an object and move it 100 meters, how much work have you accomplished?

• 125 Joules of work

• 512 Joules of work

• 1,250 Joules of work

• 1,525 Joules of work

If you have exerted 150 joules of work, and have accomplished it in 60 seconds, how many watts of power is behind that effort? (hint: 1 watt = 1 joule per second)

• 25 watts of power

• 2.5 watts of power

• 250 watts of power

• 2,500 watts of power

If you have exerted 2,000 joules of work, and have accomplished it in 90 seconds, how many watts of power is behind that effort? (hint: 1 watt = 1 joule per second)

• 25 watts of power

• 22 watts of power

• 250 watts of power

• 222 watts of power

If you have exerted 15,000 joules of work, and have accomplished it in 1 hour, how many watts of power is behind that effort? (hint: 1 watt = 1 joule per second)

• 40,000 watts of power

• 4,000 watts of power

• 400 watts of power

• 4 watts of power

If you have exerted 10,000 joules of work, and have accomplished it in 15 minutes, how many watts of power is behind that effort? (hint: 1 watt = 1 joule per second)

• 100 watts of power

• 111 watts of power

• 10 watts of power

• 11 watts of power

If you have exerted 200 joules of work, and have accomplished it in 20 seconds, how many watts of power is behind that effort? (hint: 1 watt = 1 joule per second)

• 100 watts of power

• 10 watts of power

• 20 watts of power

• 200 watts of power