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# Class 9th Science Chapter 7

Created by
@FabulousElation

### What is the SI unit of speed?

• Centimeters per second (cm/s)
• Miles per hour (mph)
• Kilometers per hour (km/h)
• Meters per second (m/s) (correct)
• ### What is the formula to calculate average speed?

• Time × Distance
• Distance ÷ Time (correct)
• Time ÷ Distance
• Distance × Time
• ### Which of the following is an example of non-uniform motion?

• A train moving at a constant speed on a straight track
• A cyclist accelerating from rest (correct)
• A pendulum swinging back and forth
• A car moving at a constant speed on a straight road
• ## Study Notes

### Units of Speed

• The SI unit of speed is meter per second (m/s)

### Calculating Average Speed

• The formula to calculate average speed is: average speed = total distance / total time taken

### Types of Motion

• Non-uniform motion is exemplified by a car traveling around a circular track, as its velocity changes constantly due to the change in direction

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## Description

Test your knowledge of motion with this Class 9th Science Chapter 7 quiz. Answer important multiple choice questions on topics like SI unit of speed, examples of non-uniform motion, and the formula to calculate average speed. Sharpen your understanding of motion concepts with this quiz.

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