are centre of mass and centre of gravity are same point?
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May or may be not.
When size of body is very small compared to the size of earth then centreof mass and centre of gravity are same point or coincide.
But when the size of objects is comparable to size of earth then centre of mass and centre of gravity may not coincide
When size of body is very small compared to the size of earth then centreof mass and centre of gravity are same point or coincide.
But when the size of objects is comparable to size of earth then centre of mass and centre of gravity may not coincide
yashjaglan02100:
tnx
Answered by
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Center of mass is the point in the body or a system of particles where the mass of the whole body seems to be concentrated. It is found by taking the weighted average position of the mass.
A body can be balanced by applying a force through the center of gravity.
Definition:
Center of mass:- it is the weighted average position of mass in a body or a system of particles.
Center of gravity:- It is the point in a body where the net torque due to gravitational forces is 0. Center of gravity is the point where the weight of the body acts
you mean rate of change?
of temperature
yes
bro
write here something about that
the rate of change of the temperature of an object is proportional to the difference between its own temperature and the temperature of it's surrounding
but how can we derive it
Thanxx
By common understanding we can say that an object will coll faster if it's surrounding is at very low point and vice versa
So Now we can take it proportional to the difference of temperatures and can use a constant
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