Advertisements
Advertisements
प्रश्न
What do you mean by equilibrium of a body?
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.
Equilibrium is a state of zero acceleration.
APPEARS IN
संबंधित प्रश्न
State the condition when the work done by a force is positive. Explain with the help of examples.
When a body moves in a circular path, how much work is done by the body? Give reason.
(Hint: The body is acted upon by the centripetal force.)
Name the quality which is measured in kW.
A body of mass m is moving with a uniform velocity u. A force is applied on the body due to which its velocity changes from u to v. How much work is being done by the force?
A body is provided at a point. A force of 20 N is applied at a distance of 40 cm from the pivot. Find the moment of force about the pivot.
Work done by a force is equal to the product of ....... and ....
Give the units of couple.
In the following case write yes, if the work is being done and no if no work is being done.
A man moving on the rough ground.
What is the S.I. unit of work? Define it.
Calculate the work done when:
A car is moved on a rough road through 30 m against a frictional resistance of 75 N.
