Question

two persons just manage to push a block from left to right direction along a horizontal level road with uniform velocity when the same block is pushed by 3 person in same direction a constant acceleration of 0.2 m per second square is produced in the block if the 5 person push the block in the same direction together then the magnitude of acceleration of the block will be( assume that each person applies the force equal in magnitude)

Answer 1

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Let me answer

When 2 person pulls the box it will move to the right with constant speed

So applied force = friction force

When 3 person apply force on it

Now when 5 person apply the same force then we have

from above equation F = 0.2m

so acceleration will be 0.6 m/s^2

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