A 200 kg wood crate sits in the back of a truck. The coefficient of static friction between the crate and the truck is = 0.5, and the coefficient of kinetic friction is = 0.3. The truck starts off up a 15 slope.
(a) [5 pts] What is the maximum acceleration the truck can have that will not cause the crate to slip out the back?
(b) [5 pts] What is the maximum acceleration the truck can have that will not cause the crate to slip out the back if the truck is going down the hill?

Question

A 200 kg wood crate sits in the back of a truck. The coefficient of static friction between the crate and the truck is  = 0.5, and the coefficient of kinetic friction is  = 0.3. The truck starts off up a 15 slope.
(a) [5 pts] What is the maximum acceleration the truck can have that will not cause the crate to slip out the back?
(b) [5 pts] What is the maximum acceleration the truck can have that will not cause the crate to slip out the back if the truck is going down the hill?

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Physics: Principles with Applications

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