Advertisements
Advertisements
प्रश्न
The moment of a force about axis depends ______.
पर्याय
only on the magnitude of force
only on the perpendicular distance of force from the axis
neither on the force nor on the perpendicular distance of force from the axis
on both the force and its perpendicular distance from the axis
Advertisements
उत्तर
The moment of a force about axis depends on both the force and its perpendicular distance from the axis.
APPEARS IN
संबंधित प्रश्न
A nut is opened by a wrench of length 20 cm. If the least force required is 2N, find the moment of force needed to loosen the nut.
Moment of force = force × perpendicular distance of force – from the pivoted point.
State one way to decrease the moment of a given force about a given axis of rotation.
The hand flour grinder is provided with a handle near the rim.
What is thrust?
Name of S.I. unit of momentum.
The diagram in the figure shows a uniform metre rule weighing 100 gf, pivoted as its centre O. two weight 150 gf and 250 gf hang from the point A and B respectively of the metre rule such that OA = 40 cm and OB = 20 cm . Calculate
the total anticlockwise moment about o.
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 two factors affecting the turning effect of a force.
The diagram shows wheel O pivoted at point A. Three equal forces F1, F2 and F3 act at point B on the wheel.
- Which force will produce maximum moment about A?
- Give a reason for your answer in (a).
