Question

science
WORKSHEET-13B

FRICTION

ANSWER THE FOLLOWING QUESTIONS.

2.Name the two surfaces between which friction plays a vital role so that the boy can write properly

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3. Name the two surfaces between which friction plays a vital role so that the screw remains in place.

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4.Name the two surfaces between which friction vital role so that the man can turn the door knob.
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Answer 1

Answer:

2. pen and paper

3. screw and wall

4. hand and knob

Answer 2

Answer:

Explanation:2:pen and paper

3: screw and wall

4: hand and door