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7. MOTION
easy
When is an object in motion considered to be a point object ?
Option A
Option B
Option C
Option D
Solution
The object in motion is considered to be a point object, if the distance it travels is very large as compared to the dimensions of the object.
Standard 9
Science
Similar Questions
Using 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 first $4\,\sec $, for next $4\,\sec $ and for last $6\,\sec $.
medium