A rolling marble slows to a stop while rolling across a tabletop. Which one of the following statements is true of the marble?

• Its kinetic energy is constant.

• Its kinetic energy is increasing.

• Its kinetic energy is decreasing.

• Its potential energy is increasing.

Which is the best definition of the term potential energy?

• Potential energy is the energy due to motion.

• Potential energy is the work that an object does.

• Potential energy is the energy due to temperature.

• Potential energy is the energy stored in an object due to vertical position (height)

Which statement is ALWAYS true of an object that has kinetic energy?

• The object is at rest.

• The object is moving.

• The object is on the ground.

• The object is moving on the ground.

• The object is moving through the air.

A roller coaster car is falling along the first drop of the track and speeding up. Which one of the following statements is true of the roller coaster car?

• Its kinetic energy is constant.

• Its kinetic energy is increasing.

• Its kinetic energy is decreasing.

• Its total energy is decreasing.

• Its potential energy is increasing.

Which phrase best defines the term energy?

• Energy is the ability to do work.

• Energy is the force and object can exert.

• Energy is the amount of matter present in an object.

• Energy is the amount of heat an object can give off.

If an object has energy, then one can be certain that it ____.

• is moving

• it is at a high temperature

• is raised above the ground

• has the ability to do work on another object

Which statement is always true of an object that has GRAVITATIONAL potential energy?

• The object is at rest.

• The object is moving.

• The object is above the ground.

• The object is moving through the air.

• The object is at rest and above the ground.

Which is the best definition of the term kinetic energy?

• Kinetic energy is the energy due to motion.

• Kinetic energy is the work that an object does.

• Kinetic energy is the energy due to temperature.

• Kinetic energy is the energy stored in an object due to vertical position (height).

What factors does the kinetic energy of an object depend upon?

• mass and volume

• mass and height

• force and distance

• mass and speed

Which of the following changes would cause the kinetic energy of an object to increase?

• The mass of the object changes.

• The height of the object changes.

• The speed of the object increases.

• The object does work on another object.