The force of friction is most nearly

Physics
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A 3kg mass is sliding across a horizontal surface at a constant speed while being pulled by a rope with tension 20n at a 53 degree angle above the horizontal. The force of friction is most nearly..

A. 30n

B. 12n

C. 16n

D. 20n

E. 1n

Jan 5th, 2015

A 3kg mass is sliding across a horizontal surface at a constant speed while being pulled by a rope with tension 20n at a 53 degree angle above the horizontal. The force of friction is most nearly..

A. 30n

B. 12n

C. 16n

D. 20n

E. 1n

Answer is: B. 12n

Jan 5th, 2015

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