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Class 11
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Physics
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Motion in a Straight Line
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Distance and Displacement
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Uniform and Non-Uniform Motion
Uniform and Non-Uniform Motion
5 Mins
Physics
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REVISE WITH CONCEPTS
Introduction to Motion
Example
Definitions
Formulaes
>
Understanding Uniform and Non-Uniform Motion
Example
Definitions
Formulaes
>
Uniform and Non- uniform Speed
Example
Definitions
Formulaes
>
Uniform And Non-Uniform Velocity
Example
Definitions
Formulaes
>
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QUICK SUMMARY WITH STORIES
Basics of Motion
3 mins
Distance and Displacement
3 mins
Understanding Uniform Motion
2 mins
Understanding Non-Uniform Motion
2 mins
Basic Knowledge of Uniform and Non-Uniform Motion and Average Speed
4 mins
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Important Questions
A person moves
$30m$
North and then
$20m$
towards East and finally
$302 $
m in South-West direction. The displacement of the person from the origin will be
Medium
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>
A particle moves along a straight line OX. At a time t(in seconds) the distance x(in meters)of the particle from 0 is given by:-
$x=40+12t−t_{3}$
. How long would the particles travel before coming to rest?
Medium
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>
An athlete completes one round of a circular track of diameter 200 m in 40 s. If he continues to run, what will be the distance covered and the displacement
respectively,
at the end of 2 minutes 20 s?
Medium
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>
A farmer moves along the boundary of a square field of side
$10$
m in
$40$
sec What will be magnitude of displacement of the farmer at the end of
$2$
minutes
$20$
seconds from his initial position?
Medium
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>
An athlete completes one round of a circle track of radius
$R$
in
$40$
seconds. What will be the displacement at the end of
$2$
minutes
$20$
seconds:
Medium
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>
The displacement of a particle is given by
$x=(t−2)_{2}$
where x is in metres and t is in seconds. The distance covered by the particle in first 4 seconds is
Medium
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>
Two positive ions
$,$
each carrying a charge
$q,$
are separated by a distance
$d.$
If
$F$
is the force of repulsion between the ions
$,$
then the number of electrons missing from each ion will be (e being the charge on an electron)
$:−$
Medium
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>
A particle starts from the origin, goes along the
$X−$
axis to the point
$(20m,0)$
and then returns along the same line to the point
$(−20m,0)$
. Find the distance and displacement of the particle during the trip.
Hard
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>
A woman starts from her home at 9.00 am, walks with a speed of
$5kmh_{−1}$
on a straight road up to her office 2.5 km away, stays at the office up to 5.00 pm, and returns home by an auto with a speed of
$25kmh_{−1}$
. Plot the position-time graph of the woman taking her home as origin.
Medium
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>
A drunkard walking in a narrow lane takes 5 steps forward and 3 steps backward,followed again by 5 steps forward and 3 steps backward, and so on. Each step is 1 m long and requires 1 s. Plot the x-t graph of his motion. Determine graphically and otherwise how long the drunkard takes to fall in a pit 13 m away from the start.
Medium
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>