Question

Guys plz help me to solve this question.
Q1. An irregular plane lamina is acted upon by several combination of forces. Is the lamina in equilibrium?
(a) 162.5kgm (b) 1625Nm (c) 16.25Nm (d) 1625kgm
Q2 Karan of mass 45kg and Geeta of mass 30k, are sitting on a see saw at a distance of 2m and 1.5m respectively from the centre of the see san in an amusement park as shown in the figure Is the see saw in rotational equilibrium?
(a) Yes (b) No (c) insufficient data (d) None of the above
Q3. A tap is used to fill bucket of water under a tap as shown in the figure. Name the force acting on the tap which produces rotational motion?
(a) Centrifugal force (b) Centripetal force (c) Couple (d) Tension force​

Answer 1

Answer:

1) B

2)D

3)B

Explanation:

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