Question: For a certain coefficient of friction and a certain angle a , the force P required to raise m is 1 . 9 6 kN

For a certain coefficient of friction and a certain angle a, the force P required to raise m is 1.96 kN and that required to lower m at a constant slow speed is 1.02 kN . Calculate the mass m .
Answer: m= kg
For a certain coefficient of friction and a

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