Question

Explain an activity to show that free fall heavier or lighter objects accelerate at same rate

Answer 1

take two objects of same surface area
say two spherical balls of same surface areas but of different masses
let ball 1 is heavier than ball2
=> m1 > m2
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just DROP both of them SIMULTANEOUSLY from SAME HEIGHT and note the initial time when you dropped the ball and the time when they touched the ground..
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you will notice both of the balls reach the ground at the SAME TIME .
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we know that for a freely falling body,
u=initial velocity=0m/s

and t=time of fall can be calculated by:-

s= ut+1/2 a t^2

=>s= 1/2at^2

as time=t is SAME

s = displacement is also SAME

so... a is needed to be same which is g (9.8m/s^2 ) in freely falling body..
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hope it helps you
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