Question:
Which one of the following statements concerning momentum is true? Group of answer choices
A.Momentum is a force.
B.Momentum is a scalar quantity.
C.The SI unit of momentum is kg *m^2/s.
D.The momentum of an object is always positive.
E.Momentum and impulse are measured in the same units.
Answer:
Correct answer is E.
Explanation:
A. Momentum is not force ,but force is rate of change of momentum , so this statement is wrong.
B. Momentum is a vector quantity , it has magnitude and direction as well.
So statement is wrong.
C. The SI unit of momentum is kg *m/s. Wrong statement.
D.Momentum of object may be negative positive or zero. So statement is correct.
E. Both momentum and impulse has unit kg *m/s. So statement is correct.
