A force has magnitude as well as direction. Justify the statement.

Important Questions on Worksheet Unit 4: Moving Things, People and Ideas

MEDIUM

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 17 - Worksheet Unit 4: Moving Things, People and Ideas>WORKSHEET>Q 2

How is muscular force different from gravitational force?

MEDIUM

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 17 - Worksheet Unit 4: Moving Things, People and Ideas>WORKSHEET>Q 3

What is fluid friction? Is it also known as drag?

EASY

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 17 - Worksheet Unit 4: Moving Things, People and Ideas>WORKSHEET>Q 4

Give two example of each: (a) Contact forces

EASY

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 17 - Worksheet Unit 4: Moving Things, People and Ideas>WORKSHEET>Q 4

Give two examples of undesirable friction.

EASY

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 17 - Worksheet Unit 4: Moving Things, People and Ideas>WORKSHEET>Q 4

Give two examples of Friction being useful.

EASY

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 17 - Worksheet Unit 4: Moving Things, People and Ideas>WORKSHEET>Q 4

Give two example of wind instruments.

EASY

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 17 - Worksheet Unit 4: Moving Things, People and Ideas>WORKSHEET>Q 5

Differentiate between infrasonic vibrations and ultrasonic vibrations.

HARD

8th CBSE

IMPORTANT

Sciwise - A coursebook of Science>Chapter 17 - Worksheet Unit 4: Moving Things, People and Ideas>WORKSHEET>Q 1

Give any two applications of force and pressure from your daily life.