A block of mass m is in contact with the cart C as shown in the figure.
The coefficient of static friction between the block and the cart is µ. The acceleration α of the cart
that will prevent the block from falling satisfies
A
α > 
B
α > 
C
D
α < 
Text Solution
Verified by ExpertsThe correct answer is:
C
Pseudo force or fictitious force, F fic = mα
Force of friction, f = µN = µmα,
The block of mass m will not fall as long a
f ≥ mg
μ m α ≥ mg
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