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
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
Fill in the blank:
Two boys cycling on the road with the same speed are _______ relative to each other.
Explain the meaning of the terms rest and motion.
Fill in the blank using one of the word: at rest, in motion.
A person walking in a compartment of a stationary train is relative to the compartment and is relative to the platform.
The area under a speed-time graph represents a physical quantity which has the unit of :
A motorcycle is being driven at a speed of 20 m/s when brakes are applied to bring it to rest in five seconds. The deceleration produced in this case will be :
In the speed-time graph for a moving object shown here, the part which indicates uniform deceleration of the object is :
Change of position of an object with respect to time is motion.
Motion is of ______ types.
The movement of a body about its own axis is ______.
Motion & rest are relative terms.
