A $$60$$ kg mass is pushed with a enough force to start it moving and the same force is continued to actafterwards. If the coefficient of static friction and sliding friction are $$0.5$$ and $$0.4$$ respectively, then theacceleration of the body will be [BCECE (Mains) $$2012$$]

Question

Infinity Learn · Accepted Answer

Kinetic friction force  $$=$$μ$$kR=$$μ$$kmg=0.4$$×$$60$$×$$10=240$$ N and the limiting friction $$force=$$μ$$sR=$$μ$$smg=0.5$$×$$60$$×$$10=300$$ NSo, the force applied on the body is $$300$$ N and if the body is moving afterwards with the same force, then,Net accelerating force $$=$$ Applied force $$-$$ Kinetic forcem $$a=300-240$$⇒  $$a=60m=6060=1$$ $$ms-2$$

A 60 kg mass is pushed with a enough force to start it moving and the same force is continued to act
afterwards. If the coefficient of static friction and sliding friction are 0.5 and 0.4 respectively, then the
acceleration of the body will be [BCECE (Mains) 2012]

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A 60 kg mass is pushed with a enough force to start it moving and the same force is continued to actafterwards. If the coefficient of static friction and sliding friction are 0.5 and 0.4 respectively, then theacceleration of the body will be [BCECE (Mains) 2012]

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

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A 60 kg mass is pushed with a enough force to start it moving and the same force is continued to act
afterwards. If the coefficient of static friction and sliding friction are 0.5 and 0.4 respectively, then the
acceleration of the body will be [BCECE (Mains) 2012]