Calculate the net torque (magnitude and direction) on the beam in Figure PS.5 about (a) an axis through O perpendicu- lar to the page and (b) an axis through C perpendicular to the page. COS 25 N 130% F 20° 45° 2.0 m 10 N -4.0 m 30 N

University Physics Volume 1
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Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter11: Angular Momentum
Section: Chapter Questions
Problem 82AP: A particle has mass 0.5 kg and is traveling along the line x=5.0m at 2.0 m/s In the positive...
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SF0014 MECHANICS & PHYSICS THERMAL
TUTORIAL 7
ROTATIONAL EQUILIBRIUM & DYNAMICS OF ROTATIONAL MOTION
Question 1 (No.5, pg. 255)
5. Calculate the net torque (magnitude and direction) on the
beam in Figure P8.5 about (a) an axis through O perpendicu-
lar to the page and (b) an axis through C perpendicular to
the page.
1.
25 N
30%F
I 20°
45°
2.0 m
10 N
-4.0 m
30 N
Figure P8.5
Answer
a)T = 30 Nm (ccw)
b) T = 36 Nm (ccw)
Transcribed Image Text:SF0014 MECHANICS & PHYSICS THERMAL TUTORIAL 7 ROTATIONAL EQUILIBRIUM & DYNAMICS OF ROTATIONAL MOTION Question 1 (No.5, pg. 255) 5. Calculate the net torque (magnitude and direction) on the beam in Figure P8.5 about (a) an axis through O perpendicu- lar to the page and (b) an axis through C perpendicular to the page. 1. 25 N 30%F I 20° 45° 2.0 m 10 N -4.0 m 30 N Figure P8.5 Answer a)T = 30 Nm (ccw) b) T = 36 Nm (ccw)
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