International Edition---engineering Mechanics: Statics, 4th Edition
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN: 9781305501607
Author: Andrew Pytel And Jaan Kiusalaas
Publisher: CENGAGE L
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For a short interval of motion, the input gear pivoted at O rotates with a constant angular velocity o = 4
rad/s in clockwise sense (as shown in figure below). In the position shown, the force applied to the piston is
2F where F = 200 N; The diameter of the gear (G) is 30 cm, link AB is 70 cm and y₁ = 20 cm.
a) Draw the vector loop for the given mechanism.
b) Find the position of the piston.
c) Find the velocity and acceleration of the piston.
d) Using energy method, determine the torque T and the power required from the motor to
operate the mechanism.
e) Find the force in the member (BA).
The piston has a mass mp = 0.65 kg. Neglect the mass of other links. All dimensions are in cm.
www
Α
TITITIT
(G)
У1
B
2F
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Transcribed Image Text:For a short interval of motion, the input gear pivoted at O rotates with a constant angular velocity o = 4 rad/s in clockwise sense (as shown in figure below). In the position shown, the force applied to the piston is 2F where F = 200 N; The diameter of the gear (G) is 30 cm, link AB is 70 cm and y₁ = 20 cm. a) Draw the vector loop for the given mechanism. b) Find the position of the piston. c) Find the velocity and acceleration of the piston. d) Using energy method, determine the torque T and the power required from the motor to operate the mechanism. e) Find the force in the member (BA). The piston has a mass mp = 0.65 kg. Neglect the mass of other links. All dimensions are in cm. www Α TITITIT (G) У1 B 2F
For the mechanism shown below, the input link (AB) rotates CCW with a constant angular velocity of w
= 1.5 rad/s.
At the position shown 02-55°:
a) Draw clearly the vector loop (CBD).
b) Find the angular velocity of link (CD) and the slip velocity of slider B.
c) Find the linear velocity of point D.
d) Using Energy Method, determine the required moment M needed by the input crank (AB) to
withstand the exerted force F = 545 N if ẞ = 20°.
Neglect the mass of all members.
The dimensions are: a = 0.17 m, c = 0.24 m, CD = 0.5 m
F
D
M
A
a
B
b
03
expand button
Transcribed Image Text:For the mechanism shown below, the input link (AB) rotates CCW with a constant angular velocity of w = 1.5 rad/s. At the position shown 02-55°: a) Draw clearly the vector loop (CBD). b) Find the angular velocity of link (CD) and the slip velocity of slider B. c) Find the linear velocity of point D. d) Using Energy Method, determine the required moment M needed by the input crank (AB) to withstand the exerted force F = 545 N if ẞ = 20°. Neglect the mass of all members. The dimensions are: a = 0.17 m, c = 0.24 m, CD = 0.5 m F D M A a B b 03
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