energy

Multiple Choice

As mass increases, KE ...

• increases
• decreases
• stays the same

Multiple Choice

As the velocity of an object decreases, its KE will...

• increase

• decrease

• stay the same

Multiple Choice

What two factors affect an object's kinetic energy?

• area and volume

• mass and weight

• weight and height

• mass and speed

Multiple Choice

Kinetic energy is measured in

• Newtons (N)

• Joules (J)

• Kilograms (kg)

• miles per hour (mph)

Multiple Choice

A moving 10 kilogram object has 20 Joules of KE. What is its velocity?

• 2 m/s
• 4 m/s
• 200 m/s
• 10 m/s

Multiple Choice

Calculate the KE of a moving 4 kilogram object traveling at a velocity of 3 m/s.

• 18 J
• 36 J
• 12 J
• 6 J

Multiple Choice

Force × Distance = ----------

• Force

• Work

• Energy

Multiple Choice

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

Multiple Choice

What is the formula for Kinetic Energy?

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

Multiple Choice

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

Multiple Choice

How do we calculate work?

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

Multiple Choice

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

• gravitational
• elastic
• chemical
• kinetic

Multiple Choice

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

• kinetic
• elastic
• gravitational
• chemical

Multiple Choice

Energy that is stored is called...

• Kinetic
• Potential 

Multiple Choice

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

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

Multiple Choice

Elastic potential energy is energy stored in object that are compressed or __________. 

• movement
• stored
• harnessed
• pulled 

Multiple Choice

What is the formula for calculating the total amount of mechanical energy?

• ME = KE + PE
• KE = ME + PE
• PE = KE + ME
• ME = 1/2 mv²

Multiple Choice

Why does the total amount of mechanical energy stay constant in a system?

• energy is not created or destroyed
• energy leaves
• energy enters
• energy is not converted from one form into another

Multiple Choice

What is the energy of position or shape that depends on weight and height, also called stored energy?

• Energy
• Kinetic energy
• Potential energy
• Sound energy