True or False a. The product of force and time is equal to a change in momentum. b. A rocket can ...

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True or False
a. The product of force and time is equal to a change in momentum.
b. A rocket can propel itself in a vacuum.
c. In the absence of any external unbalanced force, the body will be at rest.
d. Unbalanced forces acting on a body can change its shape.
e. The SI unit to measure the rate of change of momentum is kgm / s.

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