orking on this primer, you may want to review: ving a linear equation N K 1 of 1 > F A Two dimensional dynamics often involves solving for two unknown quantities in two separate equations describing the total force. The block in (Figure 1) has a mass m = 10 kg and is being pulled by a force F on a table with coefficient of static friction H=0.3. Four forces act on it: • The applied force F (directed 0 = 30° above the horizontal). The force of gravity Fg = mg (directly down, where g = 9.8 m/s²). The normal force N (directly up). • The force of static friction f. (directly left, opposing any potential motion). . If we want to find the size of the force necessary to just barely overcome static friction (in which case f. = HN), we use the condition that the sum of the forces in both directions must be 0. Using some basic trigonometry, we can write this condition out for the forces in both the horizontal and vertical directions, respectively, as: .F cos 0-μ, N=0 . Fsin 0+N-mg=0 In order to find the magnitude of force F, we have to solve a system of two equations with both F and the normal force N unknown. Use the methods we have learned to find an expression for F in terms of m. g. 8, and μ, (no N). Express your answer in terms of m, g, 0, and - View Available Hint(s) F = IVE ΑΣΦ 3 PAC ?
orking on this primer, you may want to review: ving a linear equation N K 1 of 1 > F A Two dimensional dynamics often involves solving for two unknown quantities in two separate equations describing the total force. The block in (Figure 1) has a mass m = 10 kg and is being pulled by a force F on a table with coefficient of static friction H=0.3. Four forces act on it: • The applied force F (directed 0 = 30° above the horizontal). The force of gravity Fg = mg (directly down, where g = 9.8 m/s²). The normal force N (directly up). • The force of static friction f. (directly left, opposing any potential motion). . If we want to find the size of the force necessary to just barely overcome static friction (in which case f. = HN), we use the condition that the sum of the forces in both directions must be 0. Using some basic trigonometry, we can write this condition out for the forces in both the horizontal and vertical directions, respectively, as: .F cos 0-μ, N=0 . Fsin 0+N-mg=0 In order to find the magnitude of force F, we have to solve a system of two equations with both F and the normal force N unknown. Use the methods we have learned to find an expression for F in terms of m. g. 8, and μ, (no N). Express your answer in terms of m, g, 0, and - View Available Hint(s) F = IVE ΑΣΦ 3 PAC ?
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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Transcribed Image Text:orking on this primer, you may want to review:
ving a linear equation
e
f₁
N
F.
1 of 1
Q Type to search
F
Two dimensional dynamics often involves solving for two unknown quantities in two
separate equations describing the total force. The block in (Figure 1) has a mass
m = 10 kg and is being pulled by a force F on a table with coefficient of static friction
0.3. Four forces act on it:
Ha
• The applied force F (directed 0 = 30° above the horizontal).
• The force of gravity F = mg (directly down, where g = 9.8 m/s²).
• The normal force N (directly up).
• The force of static friction f. (directly left, opposing any potential motion).
If we want to find the size of the force necessary to just barely overcome static friction (in
which case f = N), we use the condition that the sum of the forces in both directions
must be 0. Using some basic trigonometry, we can write this condition out for the forces in
both the horizontal and vertical directions, respectively, as:
W
F cos 0 -u, N=0
Fsin 0+N-mg=0
F =
In order to find the magnitude of force F, we have to solve a system of two equations with
both F and the normal force N unknown. Use the methods we have learned to find an
expression for F in terms of m. g. 8, and , (no N).
Express your answer in terms of m. g, 0, and -
View Available Hint(s)
ΠΕ ΑΣΦ
3
?
h
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