Question

Two boys pull a trolley in opposite direction one of the boy applies a force of 300 Newton towards east and the other boy applies a force of hundred and towards west find the net force acting on the cart

Answer 1

Let the direction towards East be positive, or positive x direction. Then the direction towards West will be negative x direction.

Then, the force 300N applied on the trolley towards east by the first boy is,

F1 = 300î

and the force 100N applied on the trolley towards west by the second boy, is,

F2 = 100(-î)

F2 = - 100î

Then, net force acting on the trolley is,

F = F1 + F2

F = 300î - 100î

F = (300 - 100)î

F = 200î

Therefore, the net force acting on the trolley is 200 N towards east.

Answer 2

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