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JAMB Physics 2012 Paper
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© africaexams.com
Question : 2
Total: 42
A load is pulled at a uniform speed along a horizontal floor by a rope at 45
o
to floor. If the force in the rope is 1500N, what is the frictional force on the load ?
1524N
1350N
1260N
1061N
Validate
Solution:
F = mg cos 45
o
= 1500 x 0.708
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