A meter rule is anchored at the point O and is free to rotate about an axis passing through O and perpendicular to the plane of the meter rule. Forces F₁, F2, F3, F4 and F5 of equal magnitudes act or the ruler at different locations. The magnitude of each force is 24 N and 0 =30°. The distances alon the ruler are given in cm. 00 30 == 0 F₂ 60 FA 100 Fs A
A meter rule is anchored at the point O and is free to rotate about an axis passing through O and perpendicular to the plane of the meter rule. Forces F₁, F2, F3, F4 and F5 of equal magnitudes act or the ruler at different locations. The magnitude of each force is 24 N and 0 =30°. The distances alon the ruler are given in cm. 00 30 == 0 F₂ 60 FA 100 Fs A
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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F₁ Yes
F5 No, because the force i
(b) Between F3 or F4 which force produces a larger torque?
F3- because it is perpe
(c) Calculate the torques produced by F3 and F4, including the sign of the torque indicating the sense
of rotation, positive for counter-clockwise rotation and negative clockwise rotation.
Help: When using the formula for torque, the angle is between the tails of which two vectors? Draw a
diagram showing the vectors 7 and F to figure out the angle to be used in the calculations of torque.
TF3
14.4
Nm
TF 12.47
(d) Between F₂ and F4 which force produces the larger torque is
F4- because it has a lar
✓.
(e) Calculate the torque produced by F2, including the sign of the torque indicating the sense of
rotation - positive for counter-clockwise rotation and negative clockwise rotation.
XNm
TF₂
(f) Calculate the moment arms of F3 and F4. Note: Moment arms are distances and positive.
F1,F₂= 6.23
!
= 3.6
Nm
1.F= 0.6
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Transcribed Image Text:tivityBranding&COURSEID=5110&SECTIONID=293095
1. A meter rule is anchored at the point O and is free to rotate about an axis passing through O and
perpendicular to the plane of the meter rule. Forces F₁, F2, F3, F4 and F5 of equal magnitudes act on
the ruler at different locations. The magnitude of each force is 24 N and 0 =30°. The distances along
the ruler are given in cm.
Search
F₁
30
0
12.47
F₂
60
0
99-
F4
A
100
Fs
(a) Determine whether each force can or cannot rotate the ruler and select the correct rationale for
your answer.
F₁ No, because it is on the
F₂ Yes
F3 Yes
F₁ Yes
Fs No, because the force iv
(b) Between F3 or F4 which force produces a larger torque?
F3-because it is perpe
(c) Calculate the torques produced by F3 and F4, including the sign of the torque indicating the sense
of rotation, positive for counter-clockwise rotation and negative clockwise rotation.
h
Help: When using the formula for torque, the angle is between the tails of which two vectors? Draw a
diagram showing the vectors 7 and F to figure out the angle to be used in the calculations of torque.
TF3
=144
Nm
TF₁ =
Nm
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