Q. 125.0( 5 Votes )

When a horizontal

Answer :

Friction inhibits the movement of the cart.

Let friction be F and force is P.


As the velocity is zero.


F – P = 0


F = P


Force acting is 1.2 P on cart,


For Acceleration, a: 1.2P – F = ma


1.2P – P = 20kg ×0.05m/s2


0.2P = 20kg × 0.05m/s2


P = 5N


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