A block weighing W = 10 kN is resting on an inclined plane . Determine its
components normal to and parallel to the inclined plane.
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Answer:
6.062
Explanation:
Given that,
Weight of block = 10 N
Mass =
10
10
=1 kg
Coefficient of friction μ=0.7
We know that,
Normal reaction = mg cosθ
N=mgcosθ
N=Wcosθ
N=10×cos30
0
N=10×
2
3
N=5
3
Now, frictional force
F=0.7×5
3
F=6.062N
Hence, the frictional force is 6.062 N.
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