Meant by free fall ? Two bodies, one of mass 1,g and other of mass 1, kg are dropped from same heigh

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7. MOTION

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What is meant by free fall ? Two bodies, one of mass $1\,g$ and other of mass $1\, kg$ are dropped from the same height in vacuum. Compare the two time intervals in which the two bodies will hit the ground.

Option A

Option B

Option C

Option D

Solution

Whenever objects fall towards the earth under the influence of gravitational force, it is free fall. Both will hit the ground at the same time (as acceleration due to gravity is independent of mass).

Standard 9

Science

Identify what do the graphs shown below indicate ?

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Write true or false for the following statements

A motion is said to be uniform, if $x \propto t^{2}$

easy

How can you find the following ?

$(i)$ Velocity from a displacement$-$time graph.

$(ii)$ Acceleration from velocity$-$time graph.

$(iii)$ Displacement from velocity$-$time graph.

$(iv)$ Velocity from acceleration$-$time graph.

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$(a)$ Differentiate between uniform linear and uniform circular motion.

$(b)$ Write any four examples of uniform circular motion.

$(c)$ Is uniform circular motion is accelerated motion ?

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If the displacement of an object is proportional to square of time, then the object moves with

medium

What is meant by free fall ? Two bodies, one of mass $1\,g$ and other of mass $1\, kg$ are dropped from the same height in vacuum. Compare the two time intervals in which the two bodies will hit the ground.

Solution

Similar Questions

Identify what do the graphs shown below indicate ?

Write true or false for the following statements A motion is said to be uniform, if $x \propto t^{2}$

How can you find the following ? $(i)$ Velocity from a displacement$-$time graph. $(ii)$ Acceleration from velocity$-$time graph. $(iii)$ Displacement from velocity$-$time graph. $(iv)$ Velocity from acceleration$-$time graph.

$(a)$ Differentiate between uniform linear and uniform circular motion. $(b)$ Write any four examples of uniform circular motion. $(c)$ Is uniform circular motion is accelerated motion ?

If the displacement of an object is proportional to square of time, then the object moves with

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Write true or false for the following statements

A motion is said to be uniform, if $x \propto t^{2}$

How can you find the following ?

$(i)$ Velocity from a displacement$-$time graph.

$(ii)$ Acceleration from velocity$-$time graph.

$(iii)$ Displacement from velocity$-$time graph.

$(iv)$ Velocity from acceleration$-$time graph.

$(a)$ Differentiate between uniform linear and uniform circular motion.

$(b)$ Write any four examples of uniform circular motion.

$(c)$ Is uniform circular motion is accelerated motion ?