When a horizontal force p acts on a cart

Asked by admin @ 23/08/2021 in Physics viewed by 292 People

When a horizontal force P acts on a cart of mass 20 kg,it moves with a uniform velocity on a horizontal floor. When a force of 1.2P acts on the cart, it moves with an acceleration of 0.05 metre per second square. Find the value of P.

Answered by admin @ 23/08/2021

Mass = 20kg
friction = P
force = 1.2 P
a = 0.05 m/s^2

1.2P - P = 20 * 0.05
0.2P = 1
P = 1/0.2
P = 5N

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