Two carts A and B of mass 10kg each are placed on a horizontal track .They are joined tightly by a light but a strong rope C. A man holds the cart A and pulls it towards the right with a force of 70N .The total force of friction by the track and the air on each cart is 15N, acting towards left. Find (a) the acceleration of the carts
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Explanation:
to find acceleration
F = ma
now net force = 70N - 15N = 55N
so F = ma
55 = 10 × a
a = 5.5 m/s²
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