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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.

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.

Grade:12

2 Answers

Prajwal kr
49 Points
8 years ago

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)

 

Prajwal kr
49 Points
8 years ago

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)

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