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Discussion Response Post to: relation between forces

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Sahil Gupta (664)

Blazing goIITian

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the answer is (a), becuase contact force is the vector sum of the normal and the frictional force ( which are perpendicular to each other). (d) is not the answer as contact force and frictional forces are are equal in case of zero friction. the reason given by ganesha may not be true

Sahil Gupta 1st Year Undergraduate Student Mechanical Engineering Department IIT Kharagpur

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