Work Power Energy

Energy from a compressed spring would be an example of...

• kinetic
• elastic
• gravitational
• chemical

Tags

NGSS.MS-PS3-2

How do you calculate power?

• P = W/t
• P = E/t
• P = w * t
• P = bbq/chicken

How much work is being done with 200 N of force over 426 meters?

• 85,200 J
• 45,620 J
• 90,480 J
• 62,329 J

Tags

NGSS.HS-PS3-1

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

• 1500 N
• 15 N
• 1.5 N
• 150 N

Tags

NGSS.HS-PS2-1

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

This theorem states, "Whenever work is done, energy changes.

• Work-Energy Theorem

• Paul-Newman Theorem

• Action-Reaction Theorem

• Study-Now Theorem

Tags

NGSS.MS-PS3-5

Which statement illustrates work done?

• A weightlifter holds a barbell above her head.

• A teacher applies a force to a wall and becomes exhausted.

• A rolling marble hits a note card and moves it across a table.

• A waiter carries a tray full of meals across a dining room at a constant speed.

What is the energy possessed by the cart?

• potential energy

• kinetic energy

• mostly potential

• mostly kinetic

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-4

NGSS.MS-PS3-5

How will you describe the energy at Point A?

• mostly potential energy

• mostly kinetic energy

• losing PE, gaining KE

• losing KE, gaining PE

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

How much work is being done with 200 N of force over 426 meters?

• 85,200 J
• 45,620 J
• 90,480 J
• 62,329 J