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NCERT Class - 9 Science Solutions: Chapter 8 - Motion Part 2
Question 7:
Area under a represents a physical quantity which has the unit
Answer: B
Question 8:
Four cars A, B, C and D are moving on a levelled road. Their distance versus time graphs are shown in Fig. 8.2. Choose the correct statement
- Car A is faster than car D.
- Car B is the slowest.
- Car D is faster than car C.
- Car C is the slowest.
Answer: B
Question 9:
Which of the following figures represents uniform motion of a moving object correctly?
Answer: A
Question 10:
Slope of a velocity β time graph gives
- The distance
- The displacement
- The acceleration
- The speed
Answer: C
Question 11:
In which of the following cases of motions, the distance moved and the magnitude of displacement are equal?
- If the car is moving on straight road
- If the car is moving in circular path
- The pendulum is moving to and fro
- The earth is revolving around the Sun
Answer: A