Advertisements
Advertisements
Question
Clockwise moment produced by a force about a fulcrum is considered to be ______.
Options
Positive
Negative
Zero
None of these
Advertisements
Solution
Clockwise moment produced by a force about a fulcrum is considered to be Negative.
Explanation:
The clockwise moment sign convention is always interpreted negatively.
APPEARS IN
RELATED QUESTIONS
State the S.I. unit of moment of force.
State two factors on which affect moment of force.
State the condition when the change in the momentum of a body depends only on the change in its velocity.
The moment of a force of 10 N about a fixed point O is 5 N m. Calculate the distance of the point O from the line of action of the force.
What is the work done when no net force is applied on the body?
Three forces A, B and C are acting on a rigid body which can turn about O in fig.9. If all the three forces are applied simultaneously, in which direction will the body move? Explain.

State whether the moment of force is a scalar or vector quantity?
The diagram shows wheel O pivoted at point A. Three equal forces F1, F2 and F3 act at point B on the wheel.

- Which force will produce maximum moment about A?
- Give a reason for your answer in (a).
The diagram in Fig shows two forces F1 = 5 N and F2 = 3 N acting at points A and B respectively of a rod pivoted at a point O, such that OA = 2 m and OB = 4 m.

Calculate:
- the moment of force F1 about O.
- the moment of force F2 about O.
- total moment of the two forces about O.
