Q)
(chatquestion)...21.
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 u. The acceleration a of the cart
that will prevent the block from falling satisfies:
[AIPMT (Prelims)-2010]
mg
(1) α>
(2) a >
um
(4) a <
(3 ) α
1 Answer
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