Question

7. A hinge of a door is at a distance of 40 cm from the point of application of force. Il a
applied, what is the magnitude of moment of force?
8. (i) State turning effect of force with examples from daily life.
(ii) Define moment of force and its unit.
9. Explain the following:
(i) Why are double tyres provided at the rear wheels of a truck?
(ii) Why can a camel easily cross the desert but not a horse?
(iii) Why is the foundation of a building made very wide, as compared to its walls?
(iv) Why the edge of knife kept sharp?​

Answer 1

Answer:

Explanation:load × distance

Answer 2

Answer:

check in your book it is given at the page of 41 42

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