A student is trying to determine the critical angle (0) at which block will slide down...

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A student is trying to determine the critical angle (0) at which block will slide down an incline. She knows the coefficient of static friction between the incline and the block is 0.38 and the coefficient of kinetic friction is 0.31. Neglect drag. Hint: One way to solve the problem is to solve for all quantities in terms of m, 0 and g (but not u), then use f = N and a trig identity to solve for 0. What is the critical angle? Would the the block slide if the incline angle were 15? A student is trying to determine the critical angle (0) at which block will slide down an incline. She knows the coefficient of static friction between the incline and the block is 0.38 and the coefficient of kinetic friction is 0.31. Neglect drag. Hint: One way to solve the problem is to solve for all quantities in terms of m, 0 and g (but not u), then use f = N and a trig identity to solve for 0. What is the critical angle? Would the the block slide if the incline angle were 15?

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To solve for the critical angle at which the block will start to slide down the incline we need to c... View the full answer