Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
A body is said to be in equilibrium under the action of a number of forces, if the forces are not able to produce any change in the state of rest or of uniform motion or uniform rotation.
APPEARS IN
संबंधित प्रश्न
State two condition for a body acted upon by several forces to be in equilibrium.
State the principle of moments. Give one device as an application of it
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.
Give scientific reason for the following:
While climbing a hill you will try to bend your body forward.
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?
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.
Explain the types of stability with suitable examples.
When a stone tied to a string is rotated in a horizontal plane, the tension in the string provides ______ force necessary for circular motion.
