RWS energy review

Energy is measured in

• Joules

• Newtons

• Amps

• Watts

Tags

NGSS.MS-PS3-4

Power is measured in

• Joules

• Newtons

• Amps

• Watts

Force is measured in

• Joules

• Newtons

• Amps

• Watts

Electric current is measured in

• Joules

• Newtons

• Amps

• Watts

Work is measured in

• Joules

• Newtons

• Amps

• Watts

Tags

NGSS.MS-PS3-5

If there is 400 J of KE and 600 J of PE, the mechanical energy will be

• 400 J

• 600 J

• 1,000 J

• 200 J

Electricity costs 20¢ and you use 400 kWh of electricity. The electricity bill is

• $80

• $2

• $20

• $420

200 N is used to push a box 3 meters. The work done is

• 600 J

• 67 J

• 203 J

• 125 J

750 J of work is done in 20 seconds. The power is

• 37.5 W

• 15,000 W

• 770 W

• 28 W

Tags

NGSS.MS-PS3-5

Where is maximum kinetic energy on the swinging pendulum?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS3-1