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In a slider-bar mechanism, when does the connecting rod have zero angular velocity?
  • a)
    When crank angle = 0°
  • b)
    When crank angle = 90°
  • c)
    When crank angle = 45°
  • d)
    Never
Correct answer is option 'B'. Can you explain this answer?
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In a slider-bar mechanism, when does the connecting rod have zero angu...

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In a slider-bar mechanism, when does the connecting rod have zero angu...
Explanation:

In a slider-bar mechanism, the connecting rod has zero angular velocity when it reaches the end of its stroke. This occurs when the crank angle is at 90 degrees.

Reason:

The slider-bar mechanism is a type of four-bar linkage that converts the rotary motion of a crank into the linear motion of a slider. As the crank rotates, the connecting rod moves back and forth, causing the slider to move in a straight line.

At the end of the stroke, the slider comes to a stop, and the connecting rod stops moving. At this point, the angular velocity of the connecting rod is zero.

Conclusion:

Therefore, the correct answer is option B, when the crank angle is at 90 degrees. This is the point at which the connecting rod has zero angular velocity.
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In a slider-bar mechanism, when does the connecting rod have zero angular velocity?a)When crank angle = 0°b)When crank angle = 90°c)When crank angle = 45°d)NeverCorrect answer is option 'B'. Can you explain this answer?
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