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A body is dropped from rest. Its velocity varies with displacement covered as:

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Important Questions on Motion

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Science>Physics>Motion>Equations of Motion by Graphical Method

Three particles A, B and C are thrown from top of a building with same speed. A is thrown upwards, B is thrown downwards and C is thrown horizontally, they hit the ground with speed $V_{A}$ , $V_{B}$ and $V_{C}$ respectively then

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Science>Physics>Motion>Equations of Motion by Graphical Method

The velocity – time graph of a moving body is shown in the figure. Which of the following statements is true?

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Science>Physics>Motion>Equations of Motion by Graphical Method

Two steel balls of mass

1 kg

and

2 kg

and a lead ball of

10 kg

are released together from the top of tower

30 m

high. Assuming the path to be in vacuum:

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Science>Physics>Motion>Equations of Motion by Graphical Method

A stone is dropped into a well having free water surface at depth

44.1 m

. The splash is heard

3.13 \sec

after the stone is dropped. Find the velocity of sound in air (Take

g = 9.8 \frac{m}{s^{2}}

)

MEDIUM

Science>Physics>Motion>Equations of Motion by Graphical Method

Imagine you have come back from the International Space Station. Share experience with your friends what you have observed there.

EASY

Science>Physics>Motion>Equations of Motion by Graphical Method

Two bodies of masses

m_{a}, m_{b} (m_{a} > m_{b})

are dropped from heights

‘ a ’, ‘ b ’

respectively. The ratio of velocities with which they reach ground is:

EASY

Science>Physics>Motion>Equations of Motion by Graphical Method

A particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 seconds is S1 and that covered in next 10 seconds is S2 then

EASY

Science>Physics>Motion>Equations of Motion by Graphical Method

The value of acceleration due to gravity is:

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Science>Physics>Motion>Equations of Motion by Graphical Method

Two identical objects A and B each of mass m start moving along the same vertical line in opposite directions at the same instant. Object A is dropped from rest from a height H above the ground and object B is projected vertically upward from the ground with speed

u = \sqrt{2 gH}

. After they collide, they stick to each other. What is the loss in their total energy?

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Science>Physics>Motion>Equations of Motion by Graphical Method

u = \sqrt{2 gH}

. At what height above the ground do they collide?

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Science>Physics>Motion>Equations of Motion by Graphical Method

A bus of mass

2800 kg

is travelling at a speed of

90 \frac{km}{h}

. A retarding force of

5600 N

is applied on it for a distance of

100 m

. Its velocity reduces to

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Science>Physics>Motion>Equations of Motion by Graphical Method

Find the ratio of the distance travelled by a freely falling body during the first and third second of its fall.

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Science>Physics>Motion>Equations of Motion by Graphical Method

The initial velocity of a particle is

10 m / s

. It is moving with an acceleration of

4 m / s^{2}

. The distance covered by the particle after

2 s

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Science>Physics>Motion>Equations of Motion by Graphical Method

A body is travelling with speed

20 m s^{- 1}

having acceleration

4 m s^{- 2}

the speed of the body after

2 s

EASY

Science>Physics>Motion>Equations of Motion by Graphical Method

The value of acceleration due to gravity

g

on the Earth will be maximum at :

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Science>Physics>Motion>Equations of Motion by Graphical Method

A simple pendulum has a time period

T_{1}

when on the earth's surface and

T_{2}

when taken to a height R above earth's surface, where R is the radius of the earth.
The value of ratio

\frac{T_{2}}{T_{1}}

will be :

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Science>Physics>Motion>Equations of Motion by Graphical Method

Which of the following is an equation for position - Time relation?

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Science>Physics>Motion>Equations of Motion by Graphical Method

A metal ball of mass $5 kg$ falls from a height of $490 m$ . How much time it will take to reach the ground? $(g = 9.8 m / s^{2})$

HARD

Science>Physics>Motion>Equations of Motion by Graphical Method

If a ball is thrown at a velocity of

45 m s^{- 1}

in vertical upward direction, then what would be the velocity profile as function of height? (Assume,

g = 10 m s^{- 2}

)

EASY

Science>Physics>Motion>Equations of Motion by Graphical Method

A student drops a ball from the top of a tower of height

19.6 m

. The velocity with which the ball hits the ground is
Take,

g = 9.8 m / s^{2}

A body is dropped from rest. Its velocity varies with displacement covered as:

Important Questions on Motion

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