Author Question: What is the agreed-upon direction of rotational velocity? a. The direction the object is rotating ... (Read 139 times)

mynx · **on:** Jul 28, 2018

What is the agreed-upon direction of rotational velocity?
a. The direction the object is rotating (effectively clockwise).
b. In the direction opposite to the way the object is rotating (effectively counterclockwise).
c. Along the axis of rotation in the direction your thumb would point if the fingers of your left hand curl along the motion of the spinning object.
d. Along the axis of rotation in the direction your thumb would point if the fingers of your right hand curl along the motion of the spinning object.
e. Along the axis of rotation in the direction your index finger would point if the thumb of your right hand points along the motion of the spinning object.

Question 2

Rotational acceleration measures:
a. the rate at which rotational speed changes.
b. rotational speed.
c. angular momentum.
d. the rate at which angular position changes.
e. rotational energy.