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प्रश्न
Explain why One leans forward while climbing up a hill.
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उत्तर
A person going uphill has to bend forward but while coming down has to bent backward, this is to keep the CG at the centre of the body and between his feet.
संबंधित प्रश्न
A uniform half meter rule balances horizontally on a knife-edge at 29 cm mark when a weight of 20 gf is suspended from one end
1) Draw a diagram of the arrangement
2) What is the weight of the half meter rule?
Give an example of a non-contact force which is always of attractive nature
On what factor does the position of the center of gravity of a body depend?
What is the position of the centre of gravity of a rectangular lamina?
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.
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.
Fig. shows the dimensions of an acute angled triangle. By geometrical construction mark the C.G. of the triangle.
Can the CG be situated outside the material of the body? Give an example.
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) ______.
In a non-uniform gravitational field, how does the Centre of Gravity relate to the Centre of Mass?
