Question

Name the types of force involved in the following: (i) A rolling ball stops __________________________________________________ (ii) A man rowing a boat __________________________________________________ (iii) A leaf falling from a tree __________________________________________________ (iv) Motion of electric fan _________________________________________________ (v) Closing of a door _______________________________________________________ (vi) A magnet attracting an iron nail _____________________________________ (vii) A stone falling from the roof of a house _________________________________

Answer 1

Answer:

1:

2:gravitational force

3:gravitational force

4:circular motion

5:muscular force

6:magnetic force

7:gravitational force

Answer 2

Answer:

1. Frictional force

upper one is correct

Explanation:

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