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प्रश्न
What is a couple?
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उत्तर
Two equal parallel and opposite forces acting on a rigid body at different points constitute a couple. The distance 'd' is called the arm of the couple.
संबंधित प्रश्न
In a beam balance, when the beam is balanced in a horizontal position, it is in ______ 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
What do you mean by the state of equilibrium? What are the conditions for stable equilibrium?
Give scientific reason for the following:
In a moving bus the standing passenger stands keeping both his legs apart.
What makes a balance faulty?
The arms of a beam balance are 20 cm and 21 cm, but the pans are of equal weight. By the method of double weighing the weights are found to be 1000 g and 20 g. Find the actual weight of the body
In equilibrium algebraic sum of moments of all forces about the point of rotation is ______.
The moon revolving around the earth is in ______ equilibrium.
Explain the concept which is used in the continuous movement of the Thanjavur doll?
Give one example of dynamic equilibrium.
