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A rod is bent into an L shape and attached at one point to a pivot. (Figure 1)The rod sits on a frictionless table and the diagram is a view from above. This means that gravity can be ignored for this problem. There are three forces that are applied to the rod at different points and Part A If F = 0 and F = 12 N, what does the magnitude of F2 have to be for there to be rotational equilibrium? Answer numerically in newtons to two significant figures. F, F2, and F3. Note that the dimensions of the angles: bent rod are in centimeters in the figure, although the answers are requested in SI units (kilograms, meters, seconds). • View Available Hint(s) ? F2 = Submit Figure 1 of 1 > Part B If the L-shaped rod has a moment of inertia I = 9 kg m?, F = 12 N, F, = 27 N, and again F = 0, how long a time t would it take for the object to move through 45° ( 7/4 radians)? F Assume that as the object starts to move, each force moves with the object so as to retain its initial angle relative to the object. Express the time in seconds to two significant figures. 3 ст • View Available Hint(s) 30° Pivot 8 cm ? t=

A rod is bent into an L shape and attached at one point to a pivot. (Figure 1)The rod sits on a frictionless table and the diagram is a view from above. This means that gravity can be ignored for this problem. There are three forces that are applied to the rod at different points and Part A If F = 0 and F = 12 N, what does the magnitude of F2 have to be for there to be rotational equilibrium? Answer numerically in newtons to two significant figures. F, F2, and F3. Note that the dimensions of the angles: bent rod are in centimeters in the figure, although the answers are requested in SI units (kilograms, meters, seconds). • View Available Hint(s) ? F2 = Submit Figure 1 of 1 > Part B If the L-shaped rod has a moment of inertia I = 9 kg m?, F = 12 N, F, = 27 N, and again F = 0, how long a time t would it take for the object to move through 45° ( 7/4 radians)? F Assume that as the object starts to move, each force moves with the object so as to retain its initial angle relative to the object. Express the time in seconds to two significant figures. 3 ст • View Available Hint(s) 30° Pivot 8 cm ? t=

College Physics
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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Part A, B, C

Express the time in seconds to two significant figures. A rod is bent into an L shape and attached at one point to a pivot. (Figure 1)The rod sits on a frictionless table and the diagram is a view from above. This means that gravity can be ignored for this problem. There are three forces that are applied to the rod at different points and • View Available Hint(s) Πνα ΑΣφ angles: F1, F2, and F3. Note that the dimensions of the bent rod are in centimeters in the figure, although the answers are requested in SI units (kilograms, meters, seconds). t = S Submit Part C Now consider the situation in which F1 = 12 N and F2 = 0, but now a force with nonzero magnitude F3 is acting on the rod. What does F3 have to be to obtain equilibrium? %3D Figure 1 of 1 Give a numerical answer, without trigonometric functions, in newtons, to two significant figures. • View Available Hint(s) F ν ΑΣφ 3 сm F3 F3 30° F2 Pivot 8 сm Submit II
Transcribed Image Text:Express the time in seconds to two significant figures. A rod is bent into an L shape and attached at one point to a pivot. (Figure 1)The rod sits on a frictionless table and the diagram is a view from above. This means that gravity can be ignored for this problem. There are three forces that are applied to the rod at different points and • View Available Hint(s) Πνα ΑΣφ angles: F1, F2, and F3. Note that the dimensions of the bent rod are in centimeters in the figure, although the answers are requested in SI units (kilograms, meters, seconds). t = S Submit Part C Now consider the situation in which F1 = 12 N and F2 = 0, but now a force with nonzero magnitude F3 is acting on the rod. What does F3 have to be to obtain equilibrium? %3D Figure 1 of 1 Give a numerical answer, without trigonometric functions, in newtons, to two significant figures. • View Available Hint(s) F ν ΑΣφ 3 сm F3 F3 30° F2 Pivot 8 сm Submit II
A rod is bent into an L shape and attached at one point to a pivot. (Figure 1)The rod sits on a frictionless table and the diagram is a view from above. This means that gravity can be ignored for this problem. There are three forces that are applied to the rod at different points and Part A If F3 O and Fi = 12 N, what does the magnitude of F2 have to be for there to be rotational equilibrium? Answer numerically in newtons to two significant figures. angles: F1, F2, and F3. Note that the dimensions of the bent rod are in centimeters in the figure, although the answers are requested in SI units (kilograms, meters, seconds). • View Available Hint(s) 画] ? F2 = N Submit Figure 1 of 1 ▼ Part B If the L-shaped rod has a moment of inertia I = 9 kg m², F1 = 12 N, F2 = 27 N, and again F3 = 0, how long a time t would it take for the object to move through 45° ( T/4 radians)? || F Assume that as the object starts to move, each force moves with the object so as to retain its initial angle relative to the object. Express the time in seconds to two significant figures. 3 сm • View Available Hint(s) F3 30° F2 Pivot 8 cm G AEO ΑΣφ t = S II
Transcribed Image Text:A rod is bent into an L shape and attached at one point to a pivot. (Figure 1)The rod sits on a frictionless table and the diagram is a view from above. This means that gravity can be ignored for this problem. There are three forces that are applied to the rod at different points and Part A If F3 O and Fi = 12 N, what does the magnitude of F2 have to be for there to be rotational equilibrium? Answer numerically in newtons to two significant figures. angles: F1, F2, and F3. Note that the dimensions of the bent rod are in centimeters in the figure, although the answers are requested in SI units (kilograms, meters, seconds). • View Available Hint(s) 画] ? F2 = N Submit Figure 1 of 1 ▼ Part B If the L-shaped rod has a moment of inertia I = 9 kg m², F1 = 12 N, F2 = 27 N, and again F3 = 0, how long a time t would it take for the object to move through 45° ( T/4 radians)? || F Assume that as the object starts to move, each force moves with the object so as to retain its initial angle relative to the object. Express the time in seconds to two significant figures. 3 сm • View Available Hint(s) F3 30° F2 Pivot 8 cm G AEO ΑΣφ t = S II
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