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A block weighing 10kg is at rest on a ho...

A block weighing `10kg` is at rest on a horizontal table. The coefficient of static friction between the block and the table is `0.5`. If a force acts downward at `60^(@)` with the horizontal, how large can it be without causing the block to move ? .`(g =100ms^(-2))` .

A

`0.2 km

B

`0.3 km`

C

`0.4 km`

D

`0.04 km`

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