Question

1.The momentum of an object is not dependent on which one of the following quantities? a)...

1.The momentum of an object is not dependent on which one of the following quantities?
a) acceleration b) inertia
c) mass
d) velocity

2.Which one of the following statements concerning the momentum of a system when the net force acting on the system has a positive value is true?
a) The momentum of the system is increasing.
b) The momentum of the system is decreasing.
c) The momentum of the system is equal to zero kg  m/s. d) The momentum of the system has a constant value.
e) The momentum of the system has a negative value.


3. Which one of the following quantities is equal to the change in momentum of an object during a collision?
a) impulse
b) net force
c) work
d) change in kinetic energy e) maximum force


4.During a certain process, the linear momentum of a system is conserved. Which one of the following statements concerning this system is correct?
a) The vector sum of the momentum of the objects that make up the system is equal to zero kgm/s.
b) The vector sum of any internal forces within the system results in an acceleration of one or more objects within the system.
c) The principle of the conservation of mechanical energy automatically applies to the system.
d) The vector sum of the average external forces acting on the system is equal to zero newtons.
e) No internal or external forces are acting on the objects within the system.


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Homework Answers

Answer #1

1.The momentum of an object is not dependent on which one of the following quantities?

accleration --answer

2)

Which one of the following statements concerning the momentum of a system when the net force acting on the system has a positive value is true?

a) The momentum of the system is increasing.--answer

3)

3. Which one of the following quantities is equal to the change in momentum of an object during a collision?

a) impulse--answer

4.During a certain process, the linear momentum of a system is conserved. Which one of the following statements concerning this system is correct?

d) The vector sum of the average external forces acting on the system is equal to zero newtons.--answer

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