Weight and viscosity
weight and upthrust
upthrust and viscosity
weight only
upthrust only
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Discussions (3)
A piece of cork floating on water is acted upon by the forces of gravity and buoyancy. The force of gravity, which is the weight of the cork, pulls it downwards while the force of buoyancy, which is the upward force(upthrust) caused by the displaced water, pushes it upwards.
The cork floats because the upward force of buoyancy is equal to the downward force of gravity. This is known as Archimedes principle, which states that the buoyant force on an object is equal to the weight of the fluid displaced by the object.
In addition to these forces, there may also be other forces acting on the cork depending on the situation, such as surface tension or drag forces caused by water currents.
I don't agree to that option chosen. The weight of the object does not act on the object but acts downwards. The correct answer should be C
