# Exam 4 Target 7 Retake Preap 16-17

5 Questions | Total Attempts: 74  Settings Create your own Quiz .

• 1.
If mechanical energy is conserved in a system, the energy at any point in time can be in the form of
• A.

A. kinetic energy.

• B.

B. gravitational potential energy.

• C.

C. elastic potential energy.

• D.

D. all of the above

• 2.
Which of the following is not a form of mechanical energy?
• A.

A. kinetic energy

• B.

B. chemical potential energy

• C.

C. gravitational potential energy

• D.

D. elastic potential energy

• 3.
Which of the following is a true statement about the conservation of energy?
• A.

A. Potential energy is always conserved.

• B.

B. Kinetic energy is always conserved.

• C.

C. Mechanical energy is always conserved.

• D.

D. Total energy is always conserved.

• 4.
Friction converts kinetic energy to
• A.

A. mechanical energy.

• B.

B. nonmechanical energy.

• C.

C. potential energy.

• D.

D. total energy.

• 5.
Why doesn’t the principle of mechanical energy conservation hold in situations when frictional forces are present?
• A.

A. Kinetic energy is not completely converted to a form of potential energy.

• B.

B. Potential energy is completely converted to a form of gravitational energy.

• C.

C. Chemical energy is not completely converted to electrical energy.

• D.

D. Kinetic energy is completely converted to a form of gravitational energy. Back to top