Question

1. what is the upward force that fluids exert on objects called?

a. pressure
b. density
c. viscosity
d. buoyancy

Explanation:

The upward - acting force exerted by a fluid on an object immersed in it is known as buoyancy. Pressure is force per unit area, density is mass per unit volume, and viscosity is a measure of a fluid's resistance to flow.

Answer:

d. Buoyancy