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1.
P (0.5 kg)
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Figure 1
Figure 1 shows a particle P of mass 0.5 kg at rest on a rough horizontal plane.
(a) Find the magnitude of the normal reaction of the plane on P.
(1)
2
The coefficient of friction between P and the plane is
7
A horizontal force of magnitude X newtons is applied to P.
Given that P is now in limiting equilibrium,
(b) find the value of X.
(2)
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*P75696A0220*
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