Energy Unit Test Reviewer

Two factors that determine work are

• force

• acceleration

• mass

• distance

• velocity

Tags

NGSS.HS-PS2-1

What is the formula for work?

• Force = work x distance
• Distance = force x work
• Work = force x distance
• Work = force x mass

Fred kicks a ball with a force of 20N to George, who is 5M away. How much work was done to the ball?

• 25J

• 100J

• 4J

• 75J

Tags

NGSS.MS-PS3-4

If 40N of force is applied to Rollo Koster's 10 kg cart over a distance of 50 meters, how much work is done?

• 8000J

• 8000N

• 4000J

• 2000J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

Calculate the work done by a 47 N force pushing a pencil 0.26 m.

• 12.2
• 13.5
• 12.8
• 11.2

How much power is the  tractor that drags a plow with a force of 500 N a distance of 10 meters in 20 seconds?

• 250 Watts
• 250 Joules
• 100,000 Watts
• 100,000 Joules

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

If 68 W of power is produced in 18 seconds, how much work is done?

• 1,224 J
• 0.264 J
• 3.77 J
• 12.24 J

Tags

NGSS.HS-PS3-1

What is the potential energy done in lifting a 50kg barbell 5.8m above the floor?

• 50J
• 9.81J
• 2845J
• 58J

Tags

NGSS.HS-PS3-1

What is the kinetic energy of an 9 kg bowling ball rolling at 3.30 m/s?

• 29.7 J

• 323.4 J

• 49.005 J

• 14.85 J

Tags

NGSS.MS-PS3-1

An 80 kg skier stands at the top of a 40 meter slope. What is her gravitational potential energy before she skies down the slope?

• 3200 J

• 31,360 J

• 15,680 J

• 19.6 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS2-4