In the video, we looked at the problem of balancing a pencil on your fingertip, which is easy for a long pencil, hard for a short pencil. If you consider a long and a short pencil tipped to the side, the of the shorter pencil is larger.

Possible options:

A. Moment of inertia

B. Angular acceleration

C. Center of mass

D. Torque

Answer is B. Angular acceleration

Explanation:

Angular acceleration is the time rate of change of angular velocity. In three dimensions, it is a pseudovector. In SI units, it is measured in radians per second squared (rad/s2) and is usually denoted by the Greek letter alpha (α).

answer: what are you talking about?

explanation:

pe = weightxheight = 2000x1000=2,000,000joules