Advertisements
Advertisements
प्रश्न
A uniform metre rule of weight 10gf is pivoted at its 0 mark.
What moment of force depresses the rule?
Advertisements
उत्तर
Anticlockwise moment = 10 gf x 50 cm = 500 gf cm
संबंधित प्रश्न
The S.I. unit of force is kgf. (kilogram-force)
In a door, handle is provided ......... from the hinges.
Sleepers are used below the rails.
A tall building has wide foundations.
A wheel of diameter 2 m can be rotated about an axis passing through its center by a moment of force equal to 2.0 Nm. What minimum force must be applied on its rim?
State one factor on which the magnitude of a non-contact force depends. How does it depend on the factor stated by you?.
A body X of mass 5 kg is moving with velocity 20 m s-2 while another body Y of mass 20 kg is moving with velocity 5 m S-1. Compare the momentum of the two bodies.
A wheel of diameter 3 m is shown in fig. 2 with axle at 0. A force F = 8 N is applied at Q in the direction shown in figure. Calculate the moment of force about:
(i) centre o, and
(ii) point p.

State when the moment of force is positive and when it is negative.
