ACP Review - Energy

A 5000N block is lifted 10 m. How much work was done?

• 50000 J
• 5000 J
• 500 J
• 50 J

Tags

NGSS.HS-PS3-1

If 150 Joules of work is needed to move a box 10 meters, how much force was used?

• 1500 N

• 15 N

• 1.5 N

• 150 N

Tags

NGSS.HS-PS2-1

A microwave oven does 28,000 joules of work in 20 seconds. Then the power of the microwave is

• 1400 Watt
• 560,000 Watt 
• 1400 Joules
• 560,000 Joules 

A soccer ball is kicked with a force of 3000 N and experienced 100,000 J of work done on it. How far did the ball go?

• 0.003 m

• 3000 m

• 33.33 m

• 3 x 10⁸ m

Tags

NGSS.HS-PS2-1

Joe climbs a set of stairs as shown in the picture. Calculate his power:

• 2282.5 J
• 228.5 W
• 248.1 J
• 248.1 W

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Two cats are sitting on a 30 m hill.  One cat has a mass of 4 kg and the other 6 kg. Which cat has greater potential energy?

• the 4 kg cat
• the 6 kg cat

Tags

NGSS.MS-PS3-2

A roller coaster has a mass of 250 kg, and is 50 meters above the ground, what is the potential energy?

• 122,625 Joules

• 5,600 Joules

• 234,799 Joules

Tags

NGSS.MS-PS3-2

A bird sits on top of a 639 m tall tower. If its gravitational potential energy up there is 2033 J, what is its mass?

• 3.18 kg

• 31.8 kg

• 0.32 kg

• 13.13 kg

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

If it takes you 1500 J of work to lift a box 1.5 meters above the ground and put it on a shelf, then how much potential energy does it have up there?

• More than 1500 J

• Less than 1500 J

• 1500 J

• Impossible to tell without the mass

Tags

NGSS.MS-PS3-2

The table shows the mass, velocity and height of four different objects. Which one has the least PE?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-2