JAMB Physics 1983 Question 28

Question 28

Density and Upthrust

A piece of wood is floating on water. The forces acting on the wood are

  1. A.upthrust and reaction
  2. B.weight and reaction
  3. C.weight and upthrust
  4. D.upthrust and viscosity
  5. E.weight and viscosity.
Show the answer and explanation

Answer: C (weight and upthrust)

Explanation

A floating body is in equilibrium under its weight acting down and the upthrust of the water acting up.