Multiple choice question XIX — task. Science CBSE, Class 9.

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1. What is the momentum of an object of mass \(m\), moving with a velocity \(v\)?

\((mv)^2\)
\(mv^2\)
\(\frac{1}{2}\ mv^2\)
\(mv\)

2. One way that you can recognize that a force is acting on an object:

(i) is to note any change in the object’s state of motion.
(ii) is to determine its mass at different locations.
(iii) is to measure the instantaneous velocity of a moving object.
(i) and (iii)

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