Advertisements
Advertisements
प्रश्न
State two factors affecting the turning effect of a force.
Advertisements
उत्तर
Moment of force about a point depends on the following two factors:
- The magnitude of the force applied.
- The distance of line of action of the force from the axis of rotation.
APPEARS IN
संबंधित प्रश्न
State two effects of a force when applied on a body.
On what factors does the effect of thrust on a surface depend?
What are contact forces? Give two Example
Is moment of force a scalar or a vector?
A, B and C are the three forces each of magnitude 4 N acting in the plane of the paper as shown in Figure. The point O lies in the same plane.
- Which force has the least moment about O? Give a reason.
- Which force has the greatest moment about O? Give a reason.
- Name the forces producing
(a) Clockwise
(b) anticlockwise moments. - What is the resultant torque about the point O?
The figure shows two forces each of magnitude 10 N acting at the point A and B at a separation of 50 cm, in opposite directions. Calculate the resultant moment of two forces about the point.
- A,
- B and
- O situated exactly at the middle of the two forces.
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?
On a see-saw, two children of masses 30 kg and 50 kg are sitting on one side of it at distance 2 m and 2.5 m respectively, from its middle, where should a man of mass 74 kg sit to balance it?
