We have been previously introduced to the angular speed (also called the angular
ID: 1289796 • Letter: W
Question
We have been previously introduced to the angular speed (also called the angular frequency) of an object. We now see that this is actually the magnitude of an angular velocity vector, which has a direction give by a so-called __________ .
-conservation of momentum
-right-hand rule
-net force
-inner-product rule
-directional invariance
We are now being introduced to a new type of product of vectors, called the ______ .
-dot product
-cross product
-outer product
-component product inverse product
The translational angular momentum magnitude of an object about some point depends on the position vector of the object from that point and ____ .
-the average speed of the object about the point
-the mass of the object
-the net force acting on the object
-the torque acting on the object
-the object's momentum 4.
In addition to translational angular momentum, there is also rotational angular momentum, which is proportional to the ________ .
-net force
-momentum
-object's rotational inertia
-object's position vector
-net torque
-time interval
The SI units of angular momentum are ____ .
-kg m2/s
-kg m/s
-kg m s
-kg m2/s2
-kg m/s2
Explanation / Answer
1. right hand rule
2. cross product
3. momentum of body
4. moment of inertia and angular velocity
5. kg m2 /s
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