motion C9

motion C9

9th Grade

20 Qs

quiz-placeholder

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motion C9

motion C9

Assessment

Quiz

Science

9th Grade

Medium

Created by

Quizizz Content

Used 4+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is motion?

A body is said to be in motion when its position changes with time with respect to a reference point.

A body is in motion when it remains stationary relative to a reference point.

Motion is the process of an object being at rest.

Motion occurs only when an object travels in a straight line.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Formula for speed in circular motion?

v = 2πr/t, where r = radius and t = time.

v = πr^2/t, where r = radius and t = time.

v = 2r/t, where r = radius and t = time.

v = 4πr/t, where r = radius and t = time.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is rest?

A body is said to be at rest when it does not change its position with time.

A body is at rest when it is in motion.

A body is at rest when it is experiencing acceleration.

A body is at rest when it is stationary but can move.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How to calculate acceleration from velocity-time graph?

Area under the velocity-time graph

Slope of velocity-time graph

Average of velocity values

Difference between initial and final velocities

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is speed a scalar or vector?

Scalar

Vector

Both scalar and vector

Neither scalar nor vector

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Can average velocity be zero if distance is not zero?

Yes, if the displacement is zero (e.g., round trip).

No, average velocity is always equal to distance divided by time.

Yes, but only if the speed is constant.

No, average velocity cannot be zero if distance is not zero.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is instantaneous speed?

Speed of an object at a particular instant of time.

Average speed over a period of time.

Speed calculated using distance and time.

Speed that varies with time.

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