REVISION PWS CLASS 9- CH.8 MOTION(PHYSICS)

REVISION PWS CLASS 9- CH.8 MOTION(PHYSICS)

Assessment

Flashcard

Mathematics, Science, Physics

9th Grade

Practice Problem

Easy

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Wayground Content

Used 1+ times

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15 questions

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1.

FLASHCARD QUESTION

Front

The slope of a speed-time graph represents:

Back

Acceleration

2.

FLASHCARD QUESTION

Front

A particle moving in a circular path of radius r has a displacement after half a circle of:

Back

2r

3.

FLASHCARD QUESTION

Front

What is the rate of change in velocity known as?

Back

Acceleration

4.

FLASHCARD QUESTION

Front

In a velocity-time graph, if the object is in segment C and shows negative acceleration, what does it indicate?

Back

The object is slowing down.

5.

FLASHCARD QUESTION

Front

When a car driver travelling at a speed of 10 m/s applies brakes and brings the car to rest in 20 s, the retardation is:

Back

−0.5 m/s²

6.

FLASHCARD QUESTION

Front

Define speed.

Back

Speed is the distance traveled per unit of time.

7.

FLASHCARD QUESTION

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).

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