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
How does the effect of force differ when it is applied on a rigid body?
Find the moment of force of 20 N about an axis of rotation at distance 0.5 m from the force.
The moment of a force of 25 N about a point is 2.5 N m. Find the perpendicular distance of force from that point.
State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and mass for a constant force.
The stone of hand flour grinder is provided with a handle near its rim. Give reason.
The diagram shows two forces F1 = 5 N and F2 = 3N acting at point A and B of a rod pivoted at a point O, such that OA = 2m and OB = 4m
Calculate:
- Moment of force F1 about O
- Moment of force F2 about O
- Total moment of the two forces about O.
(i) What do you understand by the term couple of forces?
(ii) Calculate the moment of a couple shown in fig.
A meter scale is provided at 10 cm mark and is balanced by suspending 400 g from 0 cm mark (fig.). Calculate the mass of meter scale.
State one factor on which the magnitude of a non-contact force depends. How does the magnitude of a non-contact force change along with distance?
State the effects that a force can produce. Given one example of each.
