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2 cards from this section. Quick, good the night before a test.
Define a rigid body.
Think about what happens to the distance between particles in a rigid body.
What is the significance of the center of mass?
Consider how it helps in calculating trajectories of complex bodies.
What is the center of mass?
Think about how you would balance a large object.
True or False: Torque is the rotational analogue of linear force.
Recall the formula linking torque with rotation and force.
Two bicycles are connected by a long rod at their centers. If one bike cycles at 5 m/s, what’s the effect on the rotational motion?
Consider how speeds and distances combine in these setups.
A disc is rolling down an incline without slipping. Calculate its rotational and translational speeds at any point.
Settle down the relation between rolling motion and the center of mass.
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