10. The mass of an object is 50kg. If its weight is 1000N in a certain planet, calculate the gravitational field strength of the planet. (2mks) 11. a)Distinguish between cohesive and adhesive force (2mks) Lohesive force is the attraction of different atoms in same substances... Adhesive force is the attraction of atoms in different substances. b) The figure below shows the shapes formed when drops of water and mercury are placed on the surface of a clean glass plate water Mercury Glass Explain the difference in the shapes. (2rface Explain the difference in the shapes. c)A spring balance stretches by 6cm when supporting a load of 15N. i)By how much would it stretch when supporting a load of 5kg. (2mks)