two body of same wait dropped from a certain height who touches first the ground
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If the both body of same weight are dropped in absence of air resistance then both will touch the ground at the same time.
But if they are dropped in the presence of air resistance then it will depend upon the size of the body i.e.greater object will fall slowly due to air resistance.
Hope your doubt has been cleared .
Good luck.
The heavy and light objects travel at the same rate because
there are two competing factors that cancel each other out.
The force of gravity is greater on the heavier object than
on the lighter object, proportional to the object's mass.
This means that an object with twice the mass will be pulled toward
the earth with twice the force.
On the other hand, the acceleration is proportional to the force
divided by the mass. This means that an object that is
twice the mass of another object will be accelerated
twice as slowly as the lighter object given the same force.
So in order for an object with twice the mass to move
at the same rate as the lighter object, the heavier object
must be submitted to twice the force. And this is exactly
what the force of gravity does.
According to Galileo, two boday of different masses, dropped from the same height, will touch thefloor at the same time in the absence of air resistance. BUT Newton's second law states that a=F/m, with a the acceleration of a particle, m its mass and F the sum of forces applied to it.
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