The study of the motion of objects, without consideration of its cause, is:
1. statics
2. kinematics
3. mechanics
4. dynamics
Subtopic:  Distance & Displacement |
 89%
From NCERT
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The location of a particle is changed. What can we say about the displacement and distance covered by the particle?
 
1. both cannot be zero.
2. one of the two may be zero.
3. both must be zero.
4. if one is positive, the other is negative, and vice-versa.
Subtopic:  Distance & Displacement |
 59%
From NCERT
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A car moves with a speed of \(60\) km/h for \(1\) hour in the east direction and with the same speed for \(30\) min in the south direction. The displacement of the car from the initial position is:
1. \(60\) km
2. \(30 \sqrt{2}\)  km
3. \(30 \sqrt{5}\) km
4. \(60 \sqrt{2}\) km

Subtopic:  Distance & Displacement |
 69%
From NCERT
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A particle moves along a path \(ABCD\) as shown in the figure. The magnitude of the displacement of the particle from \(A\) to \(D\) is:

       

1. (5+102)m
2. \(10\) m
3. 152 m
4. \(15\) m

Subtopic:  Distance & Displacement |
 69%
From NCERT
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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. There is a pit on the road \(13\) m away from the starting point. The drunkard will fall into the pit after:
1. \(37\) s
2. \(31\) s
3. \(29\) s
4. \(33\) s

Subtopic:  Distance & Displacement |
 61%
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The figure shows the displacement-time graph of a particle moving on the x-axis. Then,                           

                  

1. the particle is continuously going in a positive x-direction.
2. the particle is at rest.
3. the velocity increases up to a time \(t_0\), and then becomes constant.
4. the particle moves at a constant velocity up to a time \(t_0\), and then stops.

Subtopic:  Graphs |
 68%
From NCERT
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The figure gives the \((\mathrm{x-t})\) plot of a particle in a one-dimensional motion. Three different equal intervals of time are shown. The signs of average velocity for each of the intervals \(1,\) \(2\) & \(3,\) respectively are:

  

1. \(-,-,+\)
2. \(+,-,+\)
3. \(-,+,+\)
4. \(+,+,-\)




Subtopic:  Average Speed & Average Velocity |
 88%
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If a body travels some distance in a given time interval, then for that time interval, its:

1. Average speed  ≥  |Average velocity|
2. |Average velocity|  ≥  Average speed
3. Average speed < |Average velocity|
4. |Average velocity| must be equal to average speed. 

Subtopic:  Average Speed & Average Velocity |
 84%
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A car moves from \(\mathrm{X}\) to \(\mathrm{Y}\) with a uniform speed \(\mathrm{v_u}\) and returns to \(\mathrm{X}\) with a uniform speed \(\mathrm{v_d}.\) The average speed for this round trip is:

1. 2vdvuvd+vu

2. vuvd

3. vdvuvd+vu

4. vu+vd2

Subtopic:  Average Speed & Average Velocity |
 82%
From NCERT
AIPMT - 2007
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The position of an object moving along the x-axis is given by, \(x=a+bt^2\)  where \(a=8.5\) m, \(b=2.5\) ms-2and \(t\) is measured in seconds. Its velocity at \(t=2.0\) s will be:
1. \(13\) m/s
2. \(17\) m/s
3. \(10\) m/s
4. \(0\) 

Subtopic:  Instantaneous Speed & Instantaneous Velocity |
 86%
From NCERT
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