A particle of weight 120N is placed on a plane inclined at 300 to the
PHYSICS
JAMB 2007
A particle of weight 120N is placed on a plane inclined at 300 to the horizontal. If the plane has an efficiency of 60% to the floor what is the force required to push the weight uniformly up the plane?
- A) 50N
- B) 100N
- C) 175N
- D) 210N
Correct Answer: B) 100N
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