Question

when an object is placed over the surface of water state two conditions under which it will float? ​

Answer 1

1) the buoyant force on the body should be greater than than it's own weight.

2) if the buoyant force is equal to the weight of the object, then the object will float but some of it's part will remain submerged..

3) if the weight of the body is greater then the buoyant force then the body will sink..

Hope it helps

Answer 2

Two conditions that are required by any object to float on water surface are:

1. The weight of object should be equal to the Buoyant force.
2. Density of an object should be less than density of water.