The study of motion of objects, without consideration of its cause, is:
 1 statics 2 kinematics 3 mechanics 4 dynamics
Subtopic: Â Distance & Displacement |
Â 88%
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: Â Distance & Displacement |
Â 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: Â Distance & Displacement |
Â 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. $\left(5+10\sqrt{2}\right)$m
2. $$10$$ m
3. $15\sqrt{2}$ m
4. $$15$$ m

Subtopic: Â Distance & Displacement |
Â 69%
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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: Â Distance & Displacement |
Â 61%
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A boy throws a ball straight up the side of a building and receives it after $$4$$ s. On the other hand, if he throws it so that it strikes a ledge on its way up, it returns to him after $$3$$ s. The ledge is at a distance $$d$$ below the highest point, where $$d=?$$ (take acceleration due to gravity, $$g=10$$ m/s2)
1. $$5$$ m
2. $$2.5$$ m
3. $$1.25$$ m
4. $$10$$ m

Subtopic: Â Distance & Displacement |
From NCERT
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The distance travelled by a particle starting from rest and moving with an acceleration $$\frac{4}{3}$$ ms-2, in the third second is:
1. $$6$$ m
2. $$4$$ m
3. $$\frac{10}{3}$$ m
4. $$\frac{19}{3}$$ m

Subtopic: Â Distance & Displacement |
Â 79%
From NCERT
AIPMT - 2008
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