Question

what is a cause of upthrust ? At which point it can be considered to act?​

Answer 1

Answer:

upthrust is caused when we immersed a object fully or partially then it displaced the water that of equal to the object mass.

Explanation:

Hope this helps you

Answer 2

Explanation:

uptrust is caused when we immersed a object fully or partially then it displace the water that is equal to the ibject's mass.