CH 11: Energy & its Conservation

Which of the following best describes kinetic energy?

• Energy stored in an object

• Energy in motion

• Energy from chemical reactions

• Energy from light

What is the primary cause of kinetic energy in a system?

• Motion

• Temperature

• Color

• Size

What is potential energy?

• Energy due to motion

• Energy stored due to interactions between objects

• Energy from the sun

• Energy from chemical reactions

If the gravitational field strength increases, what happens to the gravitational potential energy?

• It increases

• It decreases

• It remains constant

• It becomes zero

What is the effect of increasing the height of an object on its gravitational potential energy?

• Increases the energy

• Decreases the energy

• No effect

• Converts it to kinetic energy

Which of the following is true about the reference level in gravitational potential energy?

• It is always at the ground level.

• It is a point where potential energy is undefined.

• It is a point where potential energy is zero.

• It is a point where kinetic energy is zero.

What is the relationship between kinetic energy (KE) and potential energy (PE) at the reference level?

• KE is maximum, PE is zero.

• KE is zero, PE is maximum.

• Both KE and PE are zero.

• Both KE and PE are maximum.

What is the effect on potential energy when an object is at the reference level?

• It is at its maximum.

• It is at its minimum.

• It is zero.

• It is undefined.

What is the unknown variable represented by 'GPE' in the problem?

• General Power Energy

• Gravitational Potential Energy

• General Potential Energy

• Gravitational Power Energy

What is the first step in solving the problem according to the document?

• Calculate the speed

• Sketch the situation

• Measure the temperature

• Determine the time