Advertisements
Advertisements
Question
A train is moving out of a railway station. Is the platform at rest or in motion with respect to the moving train? Justify your answer.
Advertisements
Solution
The platform is in motion with respect to train. As train is moving with respect to platform so platform would also look in motion with respect to train.
APPEARS IN
RELATED QUESTIONS
The vector quantity is :
What do you understand by the term motion? Support your answer by giving two examples
Pick out the scalar and vector quantities from the following list:
- mass
- density
- displacement
- distance
- momentum
- acceleration
- temperature
- time
State whether the following is scalar or vector quantity
Energy
Copy the following table and fill in the blank spaces.
| Quantity | S.I. Unit | Scalar or Vector |
| ___________ | kg m−3 | ___________ |
Different positions of a body are given below. Which of the two positions lie on the same straight line?
(i) 8 m, 60o NE
(ii) 3 m, 60o NE
(iii) 5 m, 60o EN
(iv) 5 m, 60o NW
Answer the following question:
Can we multiply two scalars?
Answer the following question:
Can we subtract a scalar quantity from a vector quantity? Is the reverse true?
What do you understand by the equations of motion?
Write down the three equations of motion.
