A truck is moving with an acceleration of $a_{0} = 2 m / s^{2} .$ A block of mass 10 kg is kept on the truck. If the coefficient of friction between block and truck is 0.50.
(A) What will be the friction force acting on the block by the truck.
(B) is the block sliding over the truck. $(g = 10 m / s^{2}) .$

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Solution

Here, Maximum value of static friction $= μ m g = 50 N$
And, pseudo force acting on block $= - m \to a = 20 N$ in direction opposite to $\to a$
Ans(a)-
Static friction will balance pseudo force so friction force $= 20 N$
Ans(b) -
Since maximum value of static friction is higher than force acting on it, so block will not slide

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A truck is moving with an acceleration of a0=2m/s2. A block of mass 10 kg is kept on the truck. If the coefficient of friction between block and truck is 0.50.(A) What will be the friction force acting on the block by the truck.(B) is the block sliding over the truck. (g=10m/s2).