Advertisements
Advertisements
प्रश्न
How does the magnitude of this non-contact force on the two bodies depend on the distance of separation between them?
Advertisements
उत्तर
The magnitude of non-contact forces acting on two bodies depends on the distance of separation between them. The magnitude of force decreases with an increase in separation and increases as the separation decreases. It varies inversely as the square of the distance of separation.
APPEARS IN
संबंधित प्रश्न
What is the SI unit of the moment of force?
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 two effects of a force when applied on a body.
A tall building has wide foundations.
State Newton's first law of motion. Why is it called the law of inertia?
Calculate the acceleration produced in a body of mass 50 g when acted upon by a force of 20 N.
Give two examples of a couple's actions in our daily life.
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.

Fig. shows a uniform meter scale weighing 100 N pivoted at its centre. Two weights of 500 N and 300 N are hung from the ruler as shown in fig.

(i) Calculate total clockwise and anticlockwise moments.
(ii) Calculate difference in clockwise moment and anticlockwise moment.
(iii) Calculate the distance from O where a 100 N weight should be suspended to balance the meter scale.
A meter scale is provided at 10 cm mark and is balanced by suspending 400 g from 0 cm mark (fig.). Calculate the mass of meter scale.

