rim makes an angle of 57.3°with the horizontal at this time. At t = 2.00 s, find the following. (a) the angular speed of the wheel _________rad/s (b) the tangential speed of the point P _________m/s (c) the total acceleration of the point P magnitude __________m/s2 direction __________° with respect to the radius to point P (d) the angular position of the point P _________rad
Rigid Body
A rigid body is an object which does not change its shape or undergo any significant deformation due to an external force or movement. Mathematically speaking, the distance between any two points inside the body doesn't change in any situation.
Rigid Body Dynamics
Rigid bodies are defined as inelastic shapes with negligible deformation, giving them an unchanging center of mass. It is also generally assumed that the mass of a rigid body is uniformly distributed. This property of rigid bodies comes in handy when we deal with concepts like momentum, angular momentum, force and torque. The study of these properties – viz., force, torque, momentum, and angular momentum – of a rigid body, is collectively known as rigid body dynamics (RBD).
A wheel 2.40 m in diameter lies in a vertical plane and rotates about its central axis with a constant
_________rad/s
(b) the tangential speed of the point P
_________m/s
(c) the total acceleration of the point P
| magnitude | __________m/s2 |
| direction | __________° with respect to the radius to point P |
(d) the angular position of the point P
_________rad
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