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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

Fill in the boxes. S.No First Move Seconde Move Distance (m) Displacement 1. Move 4 metres east Move 2 metres west 6 2 m east 2. Move 4 metres north Move 2 metres south 3. Move 2 metres east Move

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प्रश्न

Fill in the boxes.

S.No First Move Seconde Move Distance (m) Displacement
1. Move 4 metres east Move 2 metres west 2 m east
2. Move 4 metres north Move 2 metres south    
3. Move 2 metres east Move 4 metres west    
4. Move 5 metres east Move 5 metres west    
5. Move 5 metres south Move 2 metres north    
6. Move 10 metres west Move 3 metres east    
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उत्तर

S.No First Move Seconde Move Distance (m) Displacement
1. Move 4 metres east Move 2 metres west 6 m 2 m east
2. Move 4 metres north Move 2 metres south 6 m 2 m north
3. Move 2 metres east Move 4 metres west 6 m 2 m west
4. Move 5 metres east Move 5 metres west 10 m 0 (same place)
5. Move 5 metres south Move 2 metres north 7 m 3 m south
6. Move 10 metres west Move 3 metres east 13 m 7 m west
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अध्याय 2: Force and Motion - Evaluation [पृष्ठ २६]

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सामाचीर कलवी Science - Term 1 [English] Class 7 TN Board
अध्याय 2 Force and Motion
Evaluation | Q IX. | पृष्ठ २६

संबंधित प्रश्न

Under what conditions can a body travel a certain distance and yet its resultant displacement be zero ?


A body travels a distance of 3 km towards East, then 4 km towards North and finally 9 km towards East.

What is the resultant displacement ?


A boy walks from his classroom to the bookshop along a straight corridor towards North. He covers a distance of 20 m in 25 seconds to reach the bookshop. After buying a book, he travels the same distance in the same time to reach back in the classroom. Find (a) average speed, and (b) average velocity, of the boy.


Define displacement. State its unit.


Figure (a) shows the velocity-time graph for the motion of a body. Use it to find the displacement of the body at t = 1 s, 2 s, 3 s and 4 s, then draw on Figure (b), the displacement-time graph for it.

(a) (b)

Draw displacement – time graph for the following situation:

When a body is moving with uniform velocity.


A satellite makes a complete round along its circular orbit. What is its displacement?


Using the following data, draw time - displacement graph for a moving object:

Time (s) 0 2 4 6 8 10 12 14 16
Displacement (m) 0 2 4 4 4 6 4 2 0

Use this graph to find average velocity for the first 4 s, for the next 4 s and for the last 6 s.


A scalar quantity has ______.


A body is projected up with an initial velocity of u m/s. It goes up to a height, ‘h’ meters in seconds' time. Then it comes back at the point of projection.

Considering negligible air resistance, which of the following statement is true?


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