Advertisements
Advertisements
Question
What do you mean by equilibrium of a body?
Advertisements
Solution
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
RELATED QUESTIONS
A body is moved in a direction opposite to the direction of force acting on it. State whether the work is done by the force or work is done against the force
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 eV
The moment of a force 10 N about a point 0 is 4 Nm. Calculate the distance of point of application of force from the point 0.
In which one of the following cases is the work done more? When the angle between the direction of motion and that of the force is (i) 90° (ii) 0°.
State the practical unit mainly used in mechanical engineering and write down its equivalent in watt.
State the S.I. and C.G.S. units of energy. How are they related?
A man weighing 700 N runs up a flight of 15 steps, each 20 cm high, in 5 seconds. Calculate the power of the man.
