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 liagram showing the vectors and F to figure out the angle to be used in the calculations of torque. Enter to 3 significant figures TF3 = TFA = d) Between F₂ and F4 which force produces the larger torque is Nm F4 - because it has a larg ✓ ✓ e) Calculate the torque produced by F2, including the sign of the torque indicating the sense of otation - positive for counter-clockwise rotation and negative clockwise rotation. Enter to 3 significant figures 1,F3 Nm TF2 f) Calculate the moment arms of F3 and F4. Note: Moment arms are distances and positive. Enter to 3 significant figures TL, FA = Nm

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 liagram showing the vectors and F to figure out the angle to be used in the calculations of torque. Enter to 3 significant figures TF3 = TFA = d) Between F₂ and F4 which force produces the larger torque is Nm F4 - because it has a larg ✓ ✓ e) Calculate the torque produced by F2, including the sign of the torque indicating the sense of otation - positive for counter-clockwise rotation and negative clockwise rotation. Enter to 3 significant figures 1,F3 Nm TF2 f) Calculate the moment arms of F3 and F4. Note: Moment arms are distances and positive. Enter to 3 significant figures TL, FA = Nm

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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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

(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 and F to figure out the angle to be used in the calculations of torque.
Enter to 3 significant figures
TF3
=
TFA
=
TF₂
(d) Between F₂ and F4 which force produces the larger torque is
F4 - because it has a larg
(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.
Enter to 3 significant figures
=
✔Nm
(f) Calculate the moment arms of F3 and F4. Note: Moment arms are distances and positive.
Enter to 3 significant figures
11, F3
Nm
1, FA
✔Nm
=
=
✓

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 18.0 N and € =30º. The distances along
the ruler are given in cm. Assume all quantities are correct to 3 significant figures.
O
F₁₁
30
0
F₂
60
F₁
100
F5

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