A block of mass 2 kg and dimensions 2 cm x 4 cm X 1 cm is kept on a table find the force applied by the block and also find the pressure applied by the surface whose area is 2 cm x 4 cm
In the figure given below AB = 7 cm BC = 8 cm CA = 5 cm. What are the radii of the circles A, B and C?
Three circles touch each other externally. The distance between their centres is 5 cm, 6 cm and 7 cm. Find the radii of the circles.