Advertisements
Advertisements
प्रश्न
Write the similarities and differences between the motion of a bicycle and a ceiling fan that has been switched on.
Advertisements
उत्तर
Similarities between the motion of a bicycle and a ceiling fan:-
- The blades of a fan and the wheels of a bicycle are fixed at a point.
- Both have circular motion about their respective fixed points.
Differences between the motion of a bicycle and a ceiling fan:-
- A bicycle has linear motion, whereas the blades of a ceiling fan do not have linear motion.
- The motion of the blades of a fan is periodic, whereas the motion of a bicycle is a rectilinear motion.
संबंधित प्रश्न
Fill in the blank:
One to and fro motion of a clock pendulum takes time = ________
Comment on the statement ‘rest and motion are relative terms’. Give an example.
When a car runs on a circular track with a uniform speed, its velocity is said to be changing. This is because ______.
The area under a speed-time graph represents a physical quantity which has the unit of :
The unit of ‘g’ is m s-2. It can be also expressed as
The movement of a body about its own axis is ______.
A simple pendulum is oscillating between two points A and B as shown in figure. Is the motion of the bob uniform or non-uniform?
Given below as figure is the distance-time graph of the motion an object.
- What will be the position of the object at 20s?
- What will be the distance travelled by the object in 12s?
- What is the average speed of the object?
Paheli moves on a straight road from point A to point C. She takes 20 minutes to cover a certain distance AB and 30 minutes to cover the rest of distance BC. She then turns back and takes 30 minutes to cover the distance CB and 20 minutes to cover the rest of the distance to her starting point. She makes 5 rounds on the road the same way. Paheli concludes that her motion is ______.
Time is a vector quantity.
