MECHANICAL: More work and energy calculations

 The law of conservation of energy states that when one form of energy is converted into another,

• Energy is destroyed in the process
• Energy is created in the process
• No energy is destroyed in the process
• Energy is lost in the process

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-3

The energy associated with motion is called

• Kinetic energy
• Elastic potential energy
• Gravitational potential energy
• Nuclear energy

Tags

NGSS.HS-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

Energy that is stored is called...

• Kinetic
• Potential 

Tags

NGSS.HS-PS3-2

The SI unit for power is...?

• Watts
• Joules
• Newtons
• Meters

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.HS-PS2-1