science
Grade-7
Easy
Question
Which of the following statements is true about choosing a point of reference to observe and specify the state of a body?
a) It can be any point in the surrounding of the object under observation.
b) It must be a stationary point in the surrounding of the object under observation.
c) It can be a point in the vicinity of the object under observation
- All are correct
- Only a and b are correct
- Only b and c are correct
- Only b is correct
Hint:
Only a and b are correct.
The correct answer is: Only a and b are correct
- A reference point is a point which is used to tell us about the position of any object either it is at rest or at motion.
- It should be stationary and surrounding of the object.
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