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There is a trolley in which there is a f...

There is a trolley in which there is a fixed inclined surface on which a smooth block of mass 5kg is placed. Two horizontal forces of magnitude `F_(1) and F_(2)` are applied on the trolley as shown to keep the trolley at rest. The value of `F_(1)-F_(2)` is :
(Assume there is no friction between the trolley and horizontal ground and `g=10ms^(-2)`)

A

0 N

B

24 N

C

`-24 `N

D

`-30N`

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The correct Answer is:
C
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