Question

1 Which of the following are undesirable effects of friction?

I. A girl walks at a fast pace to school

II. A boy slips on a banana peel

III. The car engine has to exert more force on a gravelly road

IV. The carpenter cuts wood for furniture

Choose the correct option:
(a) Both I and II
(b) Both III and IV
(c) Both I and III
(d) Both I and IV
Class 8th subject science chapter 12 friction
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Answer 1

Answer:

A

Explanation:

A) Both 1 and 2 is correct. Because Both 1 and 2 is correct.Both 1 and 2 is correct.