Question

which of the following statemen is not correct for an object moving along a straight path in accelerated motion?
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Answer 1

I think these are the options

A. its speed keep changing

B. its velocity always change

C. it always goes away from the earth.

D. a force is always aplied on it .

ANS : The question states an accelerated motion of object along straight line, this implies a non zero force is acting in the object, which is increasing it's velocity and speed.  However the direction of force is not given so it can't be determined that it is moving away from earth, hence correct answer is C.

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Answer 2

Answer:

An object that is moving along a straight path in an accelerated motion can change its speed, and also its velocity, as it is in a straight line. A force is surely acting on the body. But, it cannot go away from the earth.