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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
State the condition when a body is in static equilibrium.
State the condition when a body is in dynamic 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?
What makes a balance faulty?
The moon revolving around the earth is in ______ equilibrium.
What is the weight of a body placed at the centre of the earth?
Explain the types of stability with suitable examples.
Mention any two conditions for the stability of a body?
