A 30 kg block is to be moved up an inclined plane at an angle 30° to the horizontal with a velocity of 5 m/s. If the frictional force retarding the motion is 150N. Find the horizontal force required to move the block up the plane.(g = 10m/s²)
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5
Refer the attachment
F = 300N
From the above figure, Force of friction n = 150N
Net horizontal force,
F - f = mg sin
F - mg sin 30° + f
30 × 10 ×
1
2
+150
is the horizontal force required to move up
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Answered by
9
From the figure (attachment),
- Force of Friction = 150 N
Net Horizontal Force,
The horizontal force required to move the block up the plane is 300 N.
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