Answer 26th question Share with your friends Share 0 Anshu Agrawal answered this Solution: To hold body stationary, force required: F1 =mgsinθ−μmgcosθ The force required to body move up is given by, F2 =mg(sinθ+μcosθ) F2=3×F1 ⇒θ=300 ⇒mg(sinθ+μcosθ)=3mg(sinθ−μcosθ) ⇒2mgsinθ=4mgμcosθ ⇒tanθ=2μ= 13 ⇒θ=300 0 View Full Answer