Work Power Energy

Energy of a rock perched on a cliff is an example of...

• gravitational
• elastic
• chemical
• kinetic

Tags

NGSS.MS-PS3-2

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 do we calculate work?

• W = F * d
• w = f * D
• W = F * D
• w = f * d

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

The SI unit of work is?

• Joules
• Watts
• Newtons
• meters

The SI unit for power is...?

• Watts
• Joules
• Newtons
• Meters

What is the formula for Kinetic Energy?

• PE = m*g*h
• KE = 1/2m*v2
• W = F*d
• P = W/t

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

A force exerted over a distance to move an object is ______________________.

• power
• work
• momentum
• Watt

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.MS-PS2-2