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Grade: 12

                        

a monkey of mass m is climbing a rope hanging from the roof with acceleration a.the coefficient of static friction between the body of the monkey ant rope is ''u''.find the direction and value of friction force on the monkey.

8 years ago

Answers : (2)

Prajwal kr
49 Points
							

Had there been no friction, the monkey would have slipped down the moment it tries to pull the rope. Therefore, frictional force acts upward to prevent this.

mg-f = ma

=>f= m(g-a)

 

7 years ago
Prajwal kr
49 Points
							

Since the monkey''s hands would slip downward if there was no friction, friction will act upwards to prevent this from happening.

 

mg-f=ma

f=m(g-a)

7 years ago
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