Question

if the mass of body is and the force acting on it are both doubleed what happens to the acceleration​

Answer 1

it's very good question

Answer:

remains the same

Acceleration of the body         a=mF

Now the mass as well as the force acting are doubled   i.e  m′=2m  and   F′=2F

Thus new acceleration of the body         a′=2m2F=mF=a

Hence acceleration of the body remains the same.

Explanation:

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Answer 2

Explanation:

F=ma..or a=F/m.now mass & force is doubled. so it is no change in acceleration