Advertisements
Advertisements
प्रश्न
The hand flour grinder is provided with a handle near the rim.
Advertisements
उत्तर
The stone of hand flour grinder is provided with a handle near its rim (i.e., at maximum distance from centre) so that it can easily be rotated about the iron pivot at its centre by applying a small force at the handle.
APPEARS IN
संबंधित प्रश्न
Match the column
| Column A | Column B |
| (a) Camel | (1) broad and deep foundation |
| (b) Truck | (2) broad feet |
| (c) Knife | (3) six or eight tyres |
| (d) High building | (4) sharp cutting edge |
| (e) Thrust | (5) atm |
| (f) Moment of force | (6) N |
| (g) Atmospheric pressure | (7) N m |
On what factors does the effect of thrust on a surface depend?
State two factor on which moment of force about a point depends.
What do you understand by the clockwise and anticlockwise moment of force? When is it taken positive?
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.
A uniform metre rule of weight 10gf is pivoted at its 0 mark.
What moment of force depresses the rule?
Calculate the resultant moment of forces about O and state its direction in fig.
(i) What do you understand by the term couple of forces?
(ii) Calculate the moment of a couple shown in fig.
The S.I. unit of moment of force is ______.
How does the distance of separation between two bodies affect the magnitude of the non-contact force between them?
