of paper.
1. What does the law of conservation of mechanical energy state?
a That potential energy is always equal to kinetic energy
b. That potential energy is always converted to kinetic energy
c That there is always some energy lost as heat
d. That for any system the total amount of mechanical energy remains the same
2 Why would a system have less energy than it originally started with?
a. The energy was lost as heat.
b. The energy was destroyed
C More energy was created at the beginning than at the end
d. The temperature was too low to create heat
3. Which best deschbes potential energy?
a Energy of motion
c Stored energy
b. Energy as heat
d. Energy that is doing work
4. Which of the following happens to a coconut that falls freely?
a. Loses potential and gains kinetic energy.
b. Loses both potential and gains kinetic energy
c. Gains potential and loses kinetic energy
d Gains both potential and kinetic energy.
5. The wind-up toy that is fully wound and at rest possesses
a kinetic but no potential energy
b. potential but no kinetic
c both potential and kinetic energy in equal amounts
d. neither PE nor KE
6. What is the energy of a motorcycle moving slowly at the top of a hill?
a entirely kinetic
b. entirely potential
c. entirely gravitational d. both Kinetic and Potential
7. Which of the following statements is true?
a. The principle of the conservation of mechanical energy states that the total
mechanical energy in a system remains constant as long as the only forces
acting are conservative forces.
b. Total energy is conserved for every system of particles on which there is an
external work done.
c The work-energy theorem only applies if work is done by a conservative force.
d. Total energy is not conserved for every system of particles
8. The total mechanical energy of the object at the highest point compared to its total
mechanical energy at the lowest point is
a. lesser. b. greater
c. equal d. not related
9. Mechanical energy is
found in machinery, only
b. usually measured at the atomic level.
the sum of the chemical and thermal energy of an object.
d. the sum of the kinetic and potential energy of an object.
10. What are the two types of Mechanical Energy? (ME)
a. Kinetic and Potential Energy c. Potential and Chemical Energy
b. Kinetic and Nuclear Energy d. Thermal and Kinetic Energy
a.
C.​