ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 299

Question 1491

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What is the direction of the reaction force at the fulcrum of a lever?

Same as F1
Same as F2
Perpendicular to the lever
Opposite to the applied forces

Question 1492

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What is the net force on a body due to a couple?

Equal to F
Equal to 2F
Depends on distance
Zero

Question 1493

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What happens to the moment of a couple if the origin is changed?

It increases
It decreases
It becomes zero
It remains unchanged

Question 1494

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When is the mechanical advantage of a lever greater than one?

When the load arm is longer
When forces are equal
When the fulcrum is at the center
When the effort arm is larger than the load arm

Question 1495

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What is the mechanical advantage of a lever defined as?

d1/d2
F2/F1
R/F1
F1/F2