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प्रश्न
State the condition when a body is in dynamic equilibrium.
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उत्तर
When a body remains in the same state of motion (translational or rotational), under the influence of the applied forces the body is said to be in dynamic equilibrium.
संबंधित प्रश्न
State the condition when a body is in static equilibrium.
The figure shows a uniform metre rule placed on a fulcrum at its mid-point O and having a weight 40 gf at the 10 cm mark and a weight of 20 gf at the 90 cm mark.
- Is the metre rule in equilibrium? If not how will the rule turn?
- How can the rule be brought in equilibrium by using an additional weight of 40 gf?
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.
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 meter scale is pivoted at its mid point and a 50 g mass suspended from the 20 cm mark. What mass balances the ruler when suspended from 65 cm mark?
In equilibrium algebraic sum of moments of all forces about the point of rotation is ______.
What is the weight of a body placed at the centre of the earth?
What are the three types of stability of an object?
Mention any two conditions for the stability of a body?
When a stone tied to a string is rotated in a horizontal plane, the tension in the string provides ______ force necessary for circular motion.
