Advertisements
Advertisements
प्रश्न
Give scientific reason for the following:
In a moving bus the standing passenger stands keeping both his legs apart.
Advertisements
उत्तर
By keeping the legs apart, the base of the body broadens, thus the C.G. lowers and the body attains a more stable equilibrium.
APPEARS IN
संबंधित प्रश्न
Define equilibrium.
What do you mean by an equilibrium of a body?
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 faulty balance of unequal arms and pans of unequal weights is used to find the true weight of a metal. By double weighing the weights are found to be 1210 g and 1000 g. Calculate the true weight of the metal.
In equilibrium algebraic sum of moments of all forces about the point of rotation is ______.
Explain when we carry weight, on one hand, we bend on the other side.
State two conditions when the work done by a force acting on a body is zero.
What do you mean by dynamic and static equilibrium? Give one example of each.
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.
Give one example of dynamic equilibrium.
