Block A of mass 4kg is to be kept at rest against a smooth vertical wall by applying a force F as shown in the figure. The force required is (g=10m/s)
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shettyridhi19:
what should we find
The force
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16
So acceleration in y direction is zero hence forces along this direction must add up to zero. Fcos45 =, mg
F =, mg/cos45
F = 40*(2^1/2) [this is 40 * root of 2]
F =, mg/cos45
F = 40*(2^1/2) [this is 40 * root of 2]
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the answer for the given question is 40√2 N
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