ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 292

Question 1456

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If a lever has M.A. = 0.5, what does it imply?

Effort equals load
Effort is half
Effort is zero
Effort is twice the load

Question 1457

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What is the nature of forces in a couple?

Perpendicular
Converging
Diverging
Parallel and opposite

Question 1458

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How does increasing the effort arm affect the effort needed?

It increases effort
It has no effect
It doubles the load
It decreases the effort needed

Question 1459

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What is the condition for no rotation in a lever?

F1 = F2
d1 = d2
R = 0
d1F1 = d2F2

Question 1460

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In which direction does the moment vector point in a couple?

Along the force
Opposite to force
In the plane of forces
Perpendicular to the plane of forces