1.) Which of these is the energy associated with motion? A.) Frictional Forces B
ID: 2295103 • Letter: 1
Question
1.) Which of these is the energy associated with motion?
A.)Frictional Forces
B.)Gravitational Potential Energy
C.)Spring Potential Energy
D.)Kinetic Energy
2.)Which of these is a correct restatement of the Work-Energy Theorem?
A.)To change the kinetic energy of the system, there needs to be a net work done on the system.
B.)To change the kinetic energy of the system, there needs to be potential energy present
C.)To change the work present in the system, there needs to be a force on the system.
D.)To change the kinetic energy of the system, one must release energy stored on a spring.
3.)Which of these is nonconservative force?
A.)Friction
B.)Springforce
C.)Gravity
D.)All of these are conservative forces
4.) Complete this sentence. The change of gravitational potential energy is...
A.)the amount needed to accelerate an object from point A to point B.
B.)the product of the work done on the system and the gravitational acceleration.
C.)the product of the mass, the gravitational acceleration and the change in height.
D.)the product of the height and the mass.
Explanation / Answer
1)
D.)Kinetic Energy
2)
A.)To change the kinetic energy of the system, there needs to be a net work done on the system.
3)
A.)Friction
4)
C.)the product of the mass, the gravitational acceleration and the change in height.
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