A) Force
B) Velocity
C) Displacement
D) Kinetic energy
Correct Answer: D
Solution :
In an inertial frame, an object or body accelerates only when a physical force is applied and in the absence of a net force, a body at rest will remain at rest and a body in motion will continue to more uniformly. Kinetic energy being a scalar quantity, hence measured from different inertial frame gives the same value, while the other three being vector quantities their values vary.
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