Unit 5 Work, Power, Energy

Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

Tags

NGSS.HS-PS3-2

The formula for work is:

• d = r x t
• p = m x v
• f = m x a
• w = d x f

What is the amount of work done by a 30N force pushing an object 5 m

• 150

• 300

• 15

• 3

Tags

NGSS.HS-PS3-1

Which situation shows kinetic energy?

• A slingshot being pulled back

• A book being held up in the air

• A kid riding a scooter down a street

Tags

NGSS.HS-PS3-2

Which situation shows gravitation potential energy?

• A slingshot being pulled back

• A book being held up in the air

• A kid riding a scooter down a street

Tags

NGSS.MS-PS3-2

Where will this pendulum the most gravitational potential energy?

• At the top

• On the way down

• In the middle

• On the way up

Tags

NGSS.HS-PS3-2

NGSS.HS-PS2-4

Where will this pendulum the most kinetic energy?

• At the top

• On the way down

• In the middle

• On the way up

Tags

NGSS.HS-PS3-2

Kenan and Kel are hard at work pushing boxes. They do the same amount of work, but Kenan generates more power. How?

• He pushes them further

• He used more force

• He did it in more time

• He did it in less time

A 60 W lightbulb is turned on for 12 seconds. How much work does it do?

• 720 J

• 50 J

• 5 J

• 72 J

Tags

NGSS.HS-PS3-1

Lisa (who is 60N) runs around the 400m track. How much work does she do?

• 6.67 J

• 0 J

• 24000 J

• 150