Advertisements
Advertisements
प्रश्न
The spanner (or wrench) has a long handle.
उत्तर
Spanner has a long handle to produce larger turning moment and small force is applied at the end of handles.
APPEARS IN
संबंधित प्रश्न
How does the effect of force differ when it is applied on a non-rigid body?
The steering wheel of a vehicle is of large diameter.
State one factor on which the magnitude of a non-contact force depends. How does it depend on the factor stated by you?.
Calculate the acceleration produced in a body of mass 50 g when acted upon by a force of 20 N.
A wheel of diameter 2 m is shown in the figure with the axle at O. A force F = 2 N is applied at B in the direction shown in the figure. Calculate the moment of force about
- the centre O, and
- the point A.
Two forces each of magnitude 10 N act vertically upwards and downwards respectively at the two ends A and B of a uniform rod of length 4 m which is pivoted at its midpoint O as shown in the figure. Determine the magnitude of the resultant moment of forces about the pivot O.
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
State the units of moment of 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).
The diagram in Fig shows two forces F1 = 5 N and F2 = 3 N acting at points A and B respectively of a rod pivoted at a point O, such that OA = 2 m and OB = 4 m.
Calculate:
- the moment of force F1 about O.
- the moment of force F2 about O.
- total moment of the two forces about O.
