Forces

Question 1

Upthrust

Answer 1

vertical upwards force exerted on a body by a fluid when it is fully or partially su merged due to the difference in fluid pressure

Question 2

Archimedes Principle

Answer 2

Upthrust on a body in a fluid is equal to the weight of the fluid displaced by the body

Question 3

Principle of floatation

Answer 3

For an object floating in equilibrium, the upthrust is equal in magnitude and opposite in direction to the weight of the object