1, The disc in the figure is moving in a horizontal plane. The velocity of point B and the radius of the disc are given. The direction of the velocity of point A is also given in the figure.

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1, The disc in the figure is moving in a horizontal plane. The velocity of point B and the
radius of the disc are given. The direction of the velocity of point A is also given in the figure.
Data:
a = 30°, R=0,8[m]
VB
m
Vg = 5
VA
B
S
A
a, Calculate the velocity of point A and the angular velocity of the disc.
b, Calculate the vector which points from point B to the instantaneous centre of zero velocity
of the disc (r BP ).
c, Construct the instantaneous centre of zero velocity of the disc.
Transcribed Image Text:1, The disc in the figure is moving in a horizontal plane. The velocity of point B and the radius of the disc are given. The direction of the velocity of point A is also given in the figure. Data: a = 30°, R=0,8[m] VB m Vg = 5 VA B S A a, Calculate the velocity of point A and the angular velocity of the disc. b, Calculate the vector which points from point B to the instantaneous centre of zero velocity of the disc (r BP ). c, Construct the instantaneous centre of zero velocity of the disc.
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