Question

01 MULTIPLE CHOICE QUESTIONS: 1. People usually..........
wet floors.

(a) run fast


(b) stand still
(c)slip
(d) none of these

Friction can be termed as a necessary:

(a) living object

(c) evil

(b) non-living object

(d) none of these

Which of the following materials is likely to
have least friction?

(a) glass

(c) plastic

(b) paper

(d) can't say

The surface of the head of a matchstick and sides of a matchbox are made rough to:

(a) increases friction

(b) increase amount of heat

(c) decrease friction

(d) decrease amount of

5. Friction is a type of:

heat

(b) resistant force (C) non-contact force (d) none of these(a) contact force

Q.2 VERY SHORT ANSWER QUESTIONS:



1............helps in writing and motion.

2...........shape helps to increas
friction.

3.Rolling friction is always less than...........friction. 4. Friction acting on a moving body always acts in the direction of motion of the body.
Is it true?

5. Pushing a rock from a hill-top is an example of frictional force. True or false?​

Answer 1

Answer:

slip

evil

can't sayincrese amount of heat

friction

rectangular

sliding

rolling

Answer 2

Answer:

MCQ -

c)slip

b)non living object

a)glass

b)increase amount of heat

a)contact force

VERY SHORT ANSWER -

1. friction

2. pointed

3. sliding friction

4. false

5. True

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