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प्रश्न
Give examples.
उत्तर
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संबंधित प्रश्न
Classify the following motion:
Motion of a horse pulling a cart on a straight road.
When is a body said to have uniform velocity ?
Give one word which means the same as ‘moving with a negative acceleration’.
Name the type of motion in which a body has a constant speed but not constant velocity.
Is the uniform circular motion accelerated ? Give reasons for your answer
Write true or false of the following statement.
A ball thrown by a boy from a roof-top has oscillatory motion.
What is vibratory motion ? Give one example.
Name the type of motion being performed by Earth around the sun.
State the types of motion of the wheel of a bicycle ?
Distinguish between uniform and non-uniform motions, giving an example of each.
How do you determine the average speed of a body in non-uniform motion ?
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
Identify the type of motion.
Movement of a ceiling fan:
Children sitting in a rotating giant wheel have ______ motion, while those sitting in a merry-go-round have a ______ motion.
Answer the following question in your own words.
Which types of motion are seen in birds flying in the sky?
Define rest.
What type of motion do the following objects have?
The smoke from a lighted dhoopbatti
What type of motion do the following objects have?
Wheels of a moving car
Motion of a potter’s wheel is an example for ______ motion.
The motion which repeats itself after a fixed interval of time.
Given below is the distance-travelled by an elephant across a forest with uniform speed. Complete the data of the table given below with the idea of uniform speed.
| Distance (m) | 0 | 4 | 12 | 20 | ||
| Time (s) | 0 | 2 | 4 | 8 | 10 |
If you are sitting in a moving car, will you be at rest or motion with respect your friend sitting next to you?
Differentiate between rotational and curvilinear motion.
The movement of a body about its own axis like a rotating top is linear motion.
Swirling stone tied to the rope is an example of rotatory motion.
The average age of children in Class VII is 12 years and 3 months. Express this age in seconds.
