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प्रश्न
One joule is the amount of work done when a force of ......... moves a body through a distance of .......
उत्तर
1N, 1m in its own direction
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संबंधित प्रश्न
A tall building has wide foundations.
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.
Calculate the acceleration produced in a body of mass 50 g when acted upon by a force of 20 N.
A body is acted upon by two forces of magnitude F but in opposite directions. State the effect of the force if both forces act at the same point of the body.
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
1) draw a diagram of the arrangement
2) Find the mass of the metre scale
Give an example of the following uses of a machine:
to change the direction of force
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.
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 total clockwise moment about O
How does the distance of separation between two bodies affect the magnitude of the non-contact force between them?
Two unlike forces (parallel) of 10 N and 25 N act at a distance of 12 cm. from each other. Find the point about which the body balance.
