Advertisements
Advertisements
Question
Explain why a tight rope-walker, often holds a long pole in his hands when in action.
Advertisements
Solution
A tight rope-walker carries a long stick in his hand to maintain the CG such that the vertical line passes through the rope.
RELATED QUESTIONS
On what factor does the position of the center of gravity of a body depend?
State a factor on which the position of the centre of gravity of a body depend? Explain your answer with an example.
'The centre of gravity of a freely suspended body always lies vertically below the point of suspension'.
Following Fig shows piece of cardboard of uniform thickness cut into different shapes. Draw two lines to indicate the position of centre of gravity G.
Give scientific reason for the following:
It is easier to push a boy standing on one leg than on both legs.
What is centre of gravity ?
A metal sphere is hanging from the ceiling of a vehicle. If the vehicle is moving along the horizontal road with uniform acceleration 'a' then the suspended thread of the sphere gets inclined to the vertical at an angle 'θ'. The value of acceleration 'a' is (g = acceleration due to gravity) ______.
