If a number of coplaner forces acting at a point be in equilibrium, the sum of c

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Question
If a number of coplaner forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point.
Options
A. equal to
B. less than
C. greater than

Correct Answer

equal to

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3. Which of the following statement is correct?
Options
A. The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation,
B. The periodic time of a particle moving with simple harmonic motion is directly proportional to its angular velocity.
C. The velocity of the particle moving with simple harmonic motion is zero at the mean position.
D. The acceleration of the particle moving with simple harmonic motion is maximum at the mean position.

7. The term 'centroid' is
Options
A. the same as centre of gravity
B. the point of suspension
C. the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
D. none of the above

9. If a body is acted upon by a number of coplaner non-concurrent forces, it may
Options
A. rotate about itself without moving
B. move in any one direction rotating about itself
C. be completely at rest
D. all of these

10. In order to completely specify angular displacement by a vector, it must fix
Options
A. direction of the axis of rotation
B. magnitude of angular displacement
C. sense of angular displacement
D. all of these

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