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प्रश्न
What is meant by circular motion ? Give one example.
उत्तर
The motion of a body along a circular path is called circular motion.
Example : A girl is whirling a stone tied at the end of a string in a circular path.
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संबंधित प्रश्न
Match the following:
| Column A | Column B |
| (a) Circular motion | (1) a running fan |
| (b) periodic motion | (2) a car moving in a market |
| (c) Vibratory motion | (3) revolution of earth around the sun |
| (d) Rotatory motion | (4) motion of wire of a guitar |
| (e) Non uniform motion | (5) motion of pendulum of a clock |
A car covers a distance of 160 km between two cities in 4 h. What is the average speed of the car ?
A car travels with speed 30 km h-1 for 30 minute and then with speed 40 km h-1 for one hour.
Find :
(a) the total distance travelled by the car
(b) the total time of travel, and
(c) the average speed of car
Explain in your own words and give one example.
Linear motion
Answer the following question in your own words.
Write in detail about your experience with various types of motion while riding a bicycle on a road.
What type of motion do the following objects have?
The needle of a sewing machine
Give two examples for each of the following motions:
Periodic motion
Match the following.
| 1. |  |
a. Circular motion |
| 2. |  |
b. Oscillatory motion |
| 3. |  |
c. Linear motion |
| 4. |  |
d. Rotatory motion |
| 5. |  |
e. Linear and rotatory motion |
The average age of children in Class VII is 12 years and 3 months. Express this age in seconds.
The back and forth motion of a swing is an ______ motion.
