Q1: (Planar mechanism) For the planar mechanism of figure below, link 4 serves as slider support which is free to rotate about the z axis, but has point D kept stationary. Link 3 is a rigid member continuous over the rotational joint B. The lengths of the links 2 and 5 are respectively 3 cm and 7 cm, and the distance AB is 6 cm. The angles of the links 2, 3, and 5 with the positive horizontal are denoted as 0, 0, and , respectively. At the instant of consideration these angles 0,, 0, and 0, are respectively 100°, 331.2 and 70.1", while the distance AD is 10 cm. For a constant CCW angular speed of 2 rad/s of the link 2, determine: F y. 02 3 (a) The angular velocity and angular acceleration of the link 3, (b) The velocity of the slider C, (c) The torque Tk at O, needed to balance a force of Q=10 N at C. 5 (120°
Q1: (Planar mechanism) For the planar mechanism of figure below, link 4 serves as slider support which is free to rotate about the z axis, but has point D kept stationary. Link 3 is a rigid member continuous over the rotational joint B. The lengths of the links 2 and 5 are respectively 3 cm and 7 cm, and the distance AB is 6 cm. The angles of the links 2, 3, and 5 with the positive horizontal are denoted as 0, 0, and , respectively. At the instant of consideration these angles 0,, 0, and 0, are respectively 100°, 331.2 and 70.1", while the distance AD is 10 cm. For a constant CCW angular speed of 2 rad/s of the link 2, determine: F y. 02 3 (a) The angular velocity and angular acceleration of the link 3, (b) The velocity of the slider C, (c) The torque Tk at O, needed to balance a force of Q=10 N at C. 5 (120°
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Transcribed Image Text:Q1: (Planar mechanism)
For the planar mechanism of figure below,
link 4 serves as slider support which is free
to rotate about the z axis, but has point D
kept stationary. Link 3 is a rigid member
continuous over the rotational joint B. The
lengths of the links 2 and 5 are respectively
3 cm and 7 cm, and the distance AB is 6 cm.
The angles of the links 2, 3, and 5 with the
positive horizontal are denoted as 0, 0,
and ,, respectively. At the instant of
consideration these angles 0, 0, and 0,
are respectively 100°, 331.2° and 70.1",
while the distance AD is 10 cm. For a
constant CCW angular speed of 2 rad/s of
the link 2, determine:
Y₁
3
B
(a) The angular velocity and angular acceleration of the link 3,
(b) The velocity of the slider C,
(c) The torque Tk at O₂ needed to balance a force of Q=10 N at C.
th
120°
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