Identify the type of frictional force shown in the following picture.

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

EASY

8th CBSE

IMPORTANT

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

Identify the type of frictional force shown in the following picture.

MEDIUM

8th CBSE

IMPORTANT

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

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

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.