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# Solutions 13. Motion and Time - Additional Questions With solutions | Class 7 Science - Toppers Study

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## Solutions 13. Motion and Time - Additional Questions With solutions | Class 7 Science - Toppers Study

CBSE board students who preparing for class 7 ncert solutions maths and Science solved exercise chapter 13. Motion and Time available and this helps in upcoming exams 2023-2024.

### You can Find Science solution Class 7 Chapter 13. Motion and Time

• All Chapter review quick revision notes for chapter 13. Motion and Time Class 7
• NCERT Solutions And Textual questions Answers Class 7 Science
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Chapter 13 Science class 7

### Additional Questions With solutions class 7 Science Chapter 13. Motion and Time

• Solutions 13. Motion And Time - Additional Questions With Solutions | Class 7 Science - Toppers Study
• Class 7 Ncert Solutions
• Solution Chapter 13. Motion And Time Class 7
• Solutions Class 7
• Chapter 13. Motion And Time Additional Questions With Solutions Class 7

## Solutions 13. Motion and Time - Additional Questions With solutions | Class 7 Science - Toppers Study

Ques: – Define speed.

Ans: – We call the distance covered by an object in a unit time as the speed of the object.

Ques: – What is non-uniform motion?

Ans: – If the speed of an object moving along a straight line keeps changing, its motion is said to be non-uniform.

Ques: – What is uniform motion?

Ans: –  An object moving along a straight line with a constant speed is said to be in uniform motion.

Ques: – Define time period?

Ans: – The time taken by the pendulum to complete one oscillation is called its time period.

Ques: – What is the bob of the pendulum?

Ans: – The metallic ball is called the bob of the pendulum.

Ques: – What is periodic or an oscillatory motion?

Ans: – The to and fro motion of a simple pendulum is an example of a periodic or an oscillatory motion.

Ques: – Name the basic unit of time.

Ans: – The basic unit of time is a second.

Ques: – What tells the speedometer of a car?

Ans: – Speed.

Ques: – What tells the odometer of a car?

Ans:– Distance.

Ques: – What is odometer?

Ans: – Another meter that measures the distance moved by the vehicle. This meter is known as an odometer.

Ques: – A simple pendulum takes 32 s to complete 20 oscillations. What is the time period of the pendulum?

Ans: -

Ques :– The distance between two stations is 240 km. A train takes 4 hours to cover this distance. Calculate the speed of the train.

Ans :–

Distance = 240 km

Taken time = 4 hours

Ques :– Salma takes 15 minutes from her house to reach her school on a bicycle. If the bicycle has a speed of 2 m/s, calculate the distance between her house and the school.

Ans :-