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A slider crank mechanism has slider mass of 10 kg, stroke of 0.2 m and rotates with a uniform angular velocity of 10 rad/s. The primary inertia forces of the slider are partially balanced by a revolving mass of 6 kg at the crank, placed at a distance equal to crank radius. Neglect the mass of connecting rod and crank. When the crank angle (with respect to slider axis) is 30°, the unbalanced force (in newton) normal to the slider axis is __________.
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- 30
- 40
- 45
- 50
Correct Option: A
r = | = 0.1 | |
2 |
Now m= 6kg
F = mr (102) sin θ
= 6 × 0.1 × 100 × sin 30° = 30 N