An object experiences a net zero external force is it possible for the object to be travelling with a non zero velocity? if yes, state the conditions that must be placed on the magnitude and direction of the velocity. if no provide a reason.

Hi pupil Here's your answer :::

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Answer :: Yes, an object may travel with a non-zero velocity even when the net external force on it is zero.

The conditions are :

■ If any object already moving with a uniform speed along a straight line.

■ Magnitude of velocity and direction of motion should not be altered.

■ There should be no friction between the object and the ground.

■ Air resistance must be zero.

If any four of the conditions is not fulfilled the answer will be 'No'. The reason is that external unbalanced force is needed for initiating the motion and also for the change in its velocity.

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Hope this helps ........

The answer is frictional force

That depends on what kind of environ meant it is in  in space it has the same force that was applied when the velocity was gained