A wheel of diameter 2m can be rotated about an axis passing through its centre by a moment of force equal to 2.0 n m. what minimum force must be applied on its rom?
A rectangular pond that is 200cm,100cm wide and 20cm deep is filled with water to the top.if 40000 cubic cm of water evaporated during summer,by how much will the water level drop
[tex]let \: the \: no. \: be \: x \\ a.t.q.\\ - \frac{5}{22} + x = \frac{7}{66} \\ x = \frac{7}{66} + \frac{5}{22} \\ x = \frac{7 + 15}{66} \\ x = \frac{22}{66} \\ x = 3[/tex]