Advertisements
Advertisements
प्रश्न
Write the expression for calculating the moment of force about a given point.

Advertisements
उत्तर
Moment of a force about the point O
= Force × Perpendicular distance of force from the point O
= F × OP
संबंधित प्रश्न
Thrust is the ............ force acting on a surface.
State the effect of force F in of the following diagram.

The hand flour grinder is provided with a handle near the rim.
State one way to reduce the moment of given force about a given axis of rotation.
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.
A uniform metre rule of weight 10gf is pivoted at its 0 mark.
What moment of force depresses the rule?
A uniform metre scale can be balanced at the 70.0 cm mark when a mark when a mass 0.05 kg is hung from the 94.0 cm mark
- draw a diagram of the arrangement
- Find the mass of the metre scale
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.

The diagram shows a uniform metre rule weighing 100gf, pivoted at its centre O. Two weights 150gf and 250gf hang from the point A and B respectively of the metre rule such that OA = 40 cm and OB = 20 cm. Calculate :
the difference of anticlockwise and clockwise moment

