Advertisements
Advertisements
प्रश्न
In equilibrium algebraic sum of moments of all forces about the point of rotation is ______.
Advertisements
उत्तर
In equilibrium algebraic sum of moments of all forces about the point of rotation is zero.
APPEARS IN
संबंधित प्रश्न
In a beam balance, when the beam is balanced in a horizontal position, it is in ______ equilibrium.
What do you mean by an equilibrium of a body?
State the condition when a body is in static equilibrium.
A uniform meter scale is in equilibrium as shown in the diagram :

(i) Calculate the weight of the meter scale.
(ii) Which of the following options is correct to keep the ruler in equilibrium when 40 gf wt is shifted to 0 cm mark ?
F is shifted towards 0 cm
or
F is shifted towards 100 cm
State the principle of moments. A meter scale is pivoted at 30 cm mark and it is in equilibrium when a mass of 40 g is suspended from 10 cm mark. Calculate the mass of the ruler.
A faulty balance of equal arms but pans of unequal weight is used to find the weight of a body. By the method of double weighing the weights are found as 8 kg and 8.2 kg. Find the actual weight of the body.
State two conditions when the work done by a force acting on a body is zero.
One end of a spring is kept fixed while the other end is stretched by a force as shown in the diagram.

(i) Copy the diagram and mark on it the direction of the restoring force.
(ii) Name one instrument which works on the above principle.
Give an experiment to verify the principle of moments.
Give one example of dynamic equilibrium.
