Apotter’s wheel is a stone disk 90 cm in diameter with mass 120 kg. if the potter’s foot pushes at the outer edge of the initially stationary wheel with a 75-n force for one-eighth of a revolution, what will be the final speed?

To solve this problem it is necessary to apply the concepts related to the theorem of work in angular movement.

Basically, the change in angular kinetic energy must be equivalent to the total angular work done, considering that the work is the Force performed per unit of displacement.

Where

I = Moment of Inertia

= Angular velocity (Final and Initial)

= Torque

= Angular displacement

The moment of inertia of the wheel is given by

we have that the diameter was 90cm, then the radius is 45cm or 0.45m

Torque is given by

Since the initial angular velocity is zero we have that,

Rearranging to find the final angular velocity we have that

Therefore the final angular velocity 2.09rad/s

in physics zero. in muscle fatigue could be high

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.