Question

1) Two forces each of magnitude 10N act vertically upwards and downwards of a uniform rod of length

4m .Calculate the couple.

2) A uniform metre rule is balanced at 35cm mark, when weighs of 80gf and 15gf are suspended at

5cm and 75cm mark respectively. Calculate the weight of the metre rule.

3) A couple of 25N force acts on a rigid body, such that arm of couple is 75cm .Calculate the moment

of couple in S.I system.

4) Explain – The handle of the door is always fitted near the free end of the door.

5) How does moment of a force differ from a couple?

6) Suggest two ways by which the stability of a body can be increased.​

Answer 1

Answer:

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