1)If the coefficient of kinetic friction between a35.0 kg crate and the floor is
ID: 1669480 • Letter: 1
Question
1)If the coefficient of kinetic friction between a35.0 kg crate and the floor is0.28, what horizontal force is required tomove the crate at a steady speed across the floor?1 N
What horizontal force is required if µk iszero?
2 N
2)Suppose that you are standing on a train accelerating at0.22g.What minimum coefficient of static friction must exist between yourfeet and the floor if you are not to slide?
1
3)A car can decelerate at -5.00 m/s2 withoutskidding when coming to rest on a level road. What would be themagnitude of its deceleration if the road were inclined at12° uphill? Assume the same staticfriction coefficient.
1 m/s2
1)If the coefficient of kinetic friction between a35.0 kg crate and the floor is0.28, what horizontal force is required tomove the crate at a steady speed across the floor?
1 N
What horizontal force is required if µk iszero?
2 N
2)Suppose that you are standing on a train accelerating at0.22g.What minimum coefficient of static friction must exist between yourfeet and the floor if you are not to slide?
1
3)A car can decelerate at -5.00 m/s2 withoutskidding when coming to rest on a level road. What would be themagnitude of its deceleration if the road were inclined at12° uphill? Assume the same staticfriction coefficient.
1 m/s2
Explanation / Answer
Mass m = 35 kg
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