Advertisements
Advertisements
प्रश्न
State the condition when a body is in static equilibrium.
उत्तर
When a body remains in the state of rest under the influence of the applied forces, the body is in static equilibrium.
संबंधित प्रश्न
Define equilibrium.
In a beam balance, when the beam is balanced in a horizontal position, it is in ______ equilibrium.
State the principle of moments. Give one device as an application of it
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?
Explain why It is easier to knock down a boy who is standing on one foot than one who is standing on two.
What is a couple?
A ball is placed on a compressed spring. When the spring is released, the ball is observed to fly away.
(i) What form of energy does the compressed spring possess?
(ii) Why does the ball fly away?
Give an experiment to verify the principle of moments.
A non uniform beam of weight 120 N pivoted at one end is shown in the diagram below. Calculate the value of F to keep the beam in equilibrium.