how do we find the direction of angular velocity
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Hey!
In physics, when a wheel is spinning, it has not only an angular speed but also a direction. Here’s what the angular velocity vector tells you:
The size of the angular velocity vector tells you the angular speed.
The direction of the vector tells you the axis of the rotation, as well as whether the rotation is clockwise or counterclockwise.
Say that a wheel has a constant angular speed, Can you determine the direction in which its angular velocity, points? It can’t point along the rim of the wheel, as tangential velocity does, because its direction would then change every second. In fact, the only real choice for its direction is perpendicular to the wheel.
The direction of the angular velocity always takes people by surprise: Angular velocity,
points along the axle of a wheel (as you can see in the figure).
In physics, when a wheel is spinning, it has not only an angular speed but also a direction. Here’s what the angular velocity vector tells you:
The size of the angular velocity vector tells you the angular speed.
The direction of the vector tells you the axis of the rotation, as well as whether the rotation is clockwise or counterclockwise.
Say that a wheel has a constant angular speed, Can you determine the direction in which its angular velocity, points? It can’t point along the rim of the wheel, as tangential velocity does, because its direction would then change every second. In fact, the only real choice for its direction is perpendicular to the wheel.
The direction of the angular velocity always takes people by surprise: Angular velocity,
points along the axle of a wheel (as you can see in the figure).
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