Podcast
Questions and Answers
Which of the following motions is an example of circular motion?
Which of the following motions is an example of circular motion?
- Motion of a child on a see-saw
- Motion of a horse pulling a cart on a straight road
- Motion of your hands while running
- Motion of a child in a merry-go-round (correct)
Which statement about the basic unit of time is correct?
Which statement about the basic unit of time is correct?
- The basic unit of time is minute
- The basic unit of time is hour
- The basic unit of time is second (correct)
- The basic unit of time is day
What is the correct unit for expressing the speed of a train?
What is the correct unit for expressing the speed of a train?
- km/h (correct)
- cm/s
- m/s
- m/h
Which motion is an example of oscillatory motion?
Which motion is an example of oscillatory motion?
In which unit are distances between two cities commonly measured?
In which unit are distances between two cities commonly measured?
Flashcards
Circular motion
Circular motion
Motion in a circular path, where the object moves around a fixed point at a constant distance.
Second
Second
The basic unit of time, denoted by the symbol 's'.
Speed of a train
Speed of a train
Kilometers per hour (km/h) is the standard unit for measuring the speed of a train, car, or other vehicles.
Oscillatory motion
Oscillatory motion
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Distance between cities
Distance between cities
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Study Notes
Motion Types
- A motion that follows a circular path is an example of circular motion
- Oscillatory motion is a type of motion where an object moves back and forth about a fixed point
Units of Measurement
- The basic unit of time is correctly represented by the second (s)
- Speed is correctly expressed in units of distance per unit time, such as meters per second (m/s) or kilometers per hour (km/h)
- Distances between two cities are commonly measured in kilometers (km)
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Description
Test your understanding of motion and time with these NCERT solutions for Class 7 Science Chapter 13. Classify different types of motion and solve exercise questions from pages 156-158. Perfect for students looking to strengthen their knowledge of straight line, circular, and oscillatory motion.
