Question

What is the upper limit for the magnitude of velocity of an object moving on a straight
line path with a speed.​

Answer 1

Answer:

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ANSWER

Acceleration of an object is equal to the rate of change of velocity of the object.

a=dv/dt

Hence, for an accelerated motion velocity is always changing. Also, speed is equal to the magnitude of velocity for a particle moving along a straight line. Hence, its speed is also always changing.

By newton's second law of motion,

F=ma

a



=0⟹F



=0

Hence, for an accelerated motion, force is always acting on it.

A body under acceleration on a straight line may be moving towards or away from earth.