normal force = m g cos A
friction force max = μs m g cos A
component of weight down slope = m g sin A
slips when
m g sin A = μs m g cos A
or
tan A = μs
A block is at rest on the incline shown in the figure. The coefficients of static and ki- netic friction are μs = 0.67 and μk = 0.57, respectively.
The acceleration of gravity is 9.8 m/s2 .
-What is the frictional force acting on the 30 kg mass?
Answer in units of N
-What is the largest angle which the incline can have so that the mass does not slide down the incline?
Answer in units of ◦
please show work and the answers need to be rounded to the third decimal place.
1 answer
1 answer