Advertisements
Advertisements
Question
A particle is moving in a circular path of radius r. The displacement after half a circle would be:
Options
Zero
πr
2r
2πr
Advertisements
Solution
2r
Displacement is the shortest distance measured from the initial position to the final position.
Therefore, displacement after half a circle is the diameter of the circular path, i.e., 2r
APPEARS IN
RELATED QUESTIONS
Give two examples of bodies having non-uniform motion.
Fill in the blank using one of the word : at rest, in motion.
A person sitting in a compartment of a moving train is relative to the other person sitting by his side and is relative to the platform.
Name the type of motion being performed by Vehicle on a straight road.
The area under a speed-time graph represents a physical quantity which has the unit of :
Is the following statement correct? If not, modify it suitably to make it correct. "The earth moves round the sun with uniform velocity".
Match the Following.
| Sr. No. | List I | List II | |
| 1. | Motion of a body covering equal distances in equal interval of time | A. |  |
| 2. | Motion with non uniform acceleration | B. |  |
| 3. | Constant retardation | C. |  |
| 4. | Uniform acceleration | D. |  |
How does the earth revolve?
The movement of a body about its own axis is ______.
Correct the following.
1 m = 1000 cm
A body repeating its motion after certain interval of time is in ______ motion.
