What is the relationship between observations and hypothesis

Awheel rotates without friction about a stationary horizontal axis at the center of the wheel. a constant tangential force equal to 82.0 n is applied to the rim of the wheel. the wheel has radius 0.150 m . starting from rest, the wheel has an angular speed of 12.8 rev/s after 3.88 s. what is the moment of inertia of the wheel?

Which feature indicates that mars resides in the inner region of the solar system

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge