ROTATIONAL MOTION MCQ Quiz: GKFix - Bridge of Knowledge - Page 296

Question 1476

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What is the main purpose of using a lever?

To reduce distance
To increase weight
To measure force
To amplify force

Question 1477

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In the equation R - F1 - F2 = 0, what does R represent?

Resultant moment
Rotational force
Resistance
Reaction force at the fulcrum

Question 1478

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What determines the direction of rotation in a lever?

Color of the lever
Temperature
Material of the fulcrum
Relative magnitude of clockwise and anticlockwise moments

Question 1479

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If F is the force and L is the length of the arm, what is the moment?

F + L
F - L
F / L
F × L

Question 1480

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What is the vector nature of the moment of a couple?

Fixed vector
Sliding vector
Zero vector
It is a free vector