Class 9 Science Chapter 8: Motion

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What is displacement?

A scalar quantity representing time

The same as distance but expressed with a direction

The distance covered by an object without a specific direction

The magnitude of the length covered by a moving object (correct)

Which of the following is a vector quantity?

Mass

Velocity (correct)

Distance

Temperature

What is the difference between distance and displacement?

Distance is always measured in seconds

Distance can be negative but displacement cannot

Distance is a scalar quantity while displacement is a vector quantity (correct)

Displacement is always greater than distance

What does time represent in physics?

The duration of an event Signup and view all the answers

Which mathematical operation gives speed?

Division of displacement by time Signup and view all the answers

What is the main difference between average speed and instantaneous speed?

Average speed is the total distance covered over a period of time, while instantaneous speed is the speed at a particular moment. Signup and view all the answers

In which type of motion does an object cover unequal distances in equal intervals of time?

Non-uniform motion Signup and view all the answers

What is the relationship between velocity and acceleration?

Velocity is the rate of change of displacement, and acceleration is the rate of change of velocity. Signup and view all the answers

Which graph represents a situation with constant acceleration?

Velocity-Time Graph segment OA Signup and view all the answers

In the equations of motion, what does 't' represent?

Time Signup and view all the answers

What information does the area under a Velocity-Time Graph represent?

Change in velocity Signup and view all the answers

Class 9 Science Chapter 8: Motion

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Questions and Answers

What is displacement?

Which of the following is a vector quantity?

What is the difference between distance and displacement?

What does time represent in physics?

Which mathematical operation gives speed?

What is the main difference between average speed and instantaneous speed?

In which type of motion does an object cover unequal distances in equal intervals of time?

What is the relationship between velocity and acceleration?

Which graph represents a situation with constant acceleration?

In the equations of motion, what does 't' represent?

What information does the area under a Velocity-Time Graph represent?

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