Advertisements
Advertisements
प्रश्न
Give scientific reason for the following:
While climbing a hill you will try to bend your body forward.
Advertisements
उत्तर
We bend forward in order to keep ourselves in a stable equilibrium while climbing up a hill. By bending forward we increases the base of the support, so that the vertical line passing through our centre of gravity still falls within the base.
APPEARS IN
संबंधित प्रश्न
State the condition when a body is in static equilibrium.
State the condition when a body is in dynamic equilibrium.
State two condition for a body acted upon by several forces to be in equilibrium.
A faulty balance of equal arms but pans of unequal weight is used to find the weight of a body. By the method of double weighing the weights are found as 8 kg and 8.2 kg. Find the actual weight of the body.
Explain when we carry weight, on one hand, we bend on the other side.
What is meant by equilibrium and state the conditions of equilibrium of a body?
What do you mean by dynamic and static equilibrium? Give one example of each.
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.
A boy of mass 30 kg is fitting at a distance of 2 m from the middle of a see-saw. Where should a boy of mass 40 kg sit so as to balance the see-saw?
Explain the types of stability with suitable examples.
