Kinetic and Potential Energy Quiz

What f actors determine an object's kinetic energy?

• its height and mass

• its speed and mass

• its size and weight

• its speed and height

The gravitational potential energy stored between an object and Earth depends on

• the object's weight and height

• the object's mass and speed

• the object's size and weight

• the object's speed and height

When a ball is thrown upward, where does it have the least kinetic energy?

• at its highest point

• at its lowest point when it is moving downward

• at its lowest point when it is moving upward

• midway between its heighest point and lowest point

According to the law of conservation of energy, which is always true?

• Almost all energy used on Earth comes from fossil fuels

• Energy can never be created or destroyed

• Nuclear energy is a renewable energy

• Work is done when a force is exerted on an object

In which situation would the gravitational potential energy between you and Earth be greatest?

• You are running down a hill

• You are running up a hill

• You stand at the bottom of a hill

• You stand at the top of a hill

At which point is the kinetic energy of the pendulum the greatest?

• A & G

• D

• F & G

• E & C

At which point is the gravitational potential energy of the pendulum the greatest?

• A & G

• D

• F & G

• E & C

Which of the following graphs best illustrates the potential energy (PE) and the kinetic energy (KE) of the pendulum over a period of several swings?

• A

• B

• C

• D

Which vehicle has the most kinetic energy?

Car 1 = 1,200 kg with speed of 20 m/s

Car 2 = 1,500 kg with speed of 20 m/s

Truck 1 = 4,800 kg with speed of 20 m/s

Truck 2= 6,000 kg with speed of 20 m/s

• car 1

• car 2

• truck 1

• truck 2

Which is true of energy ?

• it cannot be created or destroyed

• it cannot change form

• most forms cannot be conserved

• most forms cannot be traced to a source