A solid of mass 7 kg suspended by a string is completely immersed in water. If the
tension in the string is equivalent to 4 kg
(40 N), calculate the upthrust force on the
solid.
Gravitational field strength: 10 N/kg
[20 Marks]

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward