
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN: 9781337093347
Author: Barry J. Goodno, James M. Gere
Publisher: Cengage Learning
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Transcribed Image Text:For a short interval of motion, the input link OA has a constant angular velocity = 4 rad/s (as shown in
figure below). In the position shown, (OA) is horizontal and the force applied to the piston is P = 600N;
a) Draw vector loop of 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 = 0.45 kg. Neglect the mass of other links. All dimensions are in mm.
120 mm
200 mm
P
T
60 mm
A

Transcribed Image Text:For the mechanism shown below, the hydraulic cylinder (DB) extends with a constant velocity of v = 2 m/s.
At the position shown
= 30°:
a) Draw clearly the vector loop (CBD).
b) Find the angular velocity of cylinder (DB) and angular velocity of rod (CA).
c) Find the velocity of point A.
d) Using Energy Method, determine the force F required by the hydraulic cylinder (DB) to lift the
platform if the vertical force is P = 100 N.
Neglect the mass of all members.
The dimensions are: a = 0.5 m, b = 0.15 m, L = 0.5 m
D
A
B
Ө
C
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