Questions
A block of mass m, lying on a rough horizontal plane, is acted upon by a horizontal force P and another force Q inclined at an angle q to the vertical. The block will
remain in equilibrium, if the coefficient of friction between it and the surface is
detailed solution
Correct option is A
Here, Friction =μR=μ(mg+Qcosθ) and, Horizontal push =P+QsinθFor equilibrium μ(mg+Qcosθ)=P+Qsinθ∴ μ=P+Qsinθ(mg+Qcosθ)Talk to our academic expert!
Similar Questions
A block of mass 1 kg is at rest on a horizontal table. The coefficient of static friction between the block and the table is 0.5. The magnitude of the force acting upwards at an angle of 60° from the horizontal that will just start the block moving is
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