Advertisements
Advertisements
प्रश्न
The S.I. unit of force is kgf. (kilogram-force)
विकल्प
True
False
Advertisements
उत्तर
False.
The S.I. unit of force is newton.
APPEARS IN
संबंधित प्रश्न
A force is applied on (i) a non-rigid body and (ii) a rigid body. How does the effect of the force differ in the above two cases?
State the effect of force F in of the following diagram.
State the S.I. unit of moment of force.
A potter turns his wheel by applying a force through the stick near the rim of wheel.
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.
Give any two effects of a force on a non-rigid body.
Write the expression for calculating the moment of force about a given point.
A uniform metre scale is balanced at a 40 cm mark when weights of 20 gf and 5 gf are suspended at 5 cm mark and 75 cm mark respectively. Calculate the weight of metre scale.
