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प्रश्न
State one way to reduce the moment of given force about a given axis of rotation.
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उत्तर
The following are some methods for reducing the moment of a given force about a specific rotational axis:
- By reducing the force's magnitude.
-
By reducing the force's line of action's perpendicular distance from the rotational axis.
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संबंधित प्रश्न
What is the SI unit of the moment of force?
A half metre rod is pivoted at the centre with two weights of 20gf and 12gf suspended at a perpendicular distance of 6 cm and 10 cm from the pivot respectively as shown below.
1) Which of the two forces acting on the rigid rod causes clockwise moment?
2) Is the rod in equilibrium?
3) The direction of 20 kgf force is reversed. What is the magnitude of the resultant moment of the forces on the rod?
What is thrust?
Find the moment of force of 20 N about an axis of rotation at distance 0.5 m from the force.
State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and force for a constant mass.
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1) Is there any change in the momentum of the rocket? if yes, what causes the change in momentum?
2) Is there any force acting on the rocket? if yes, how much?
Classify the following amongst contact and non-contact forces.
gravitation force
Define couple.
Give an example for each of the following uses of a machine:
to change the point of application of force
How does the distance of separation between two bodies affect the magnitude of the non-contact force between them?
