38 Physics Laboratory Manual Loyd 6. Figure 3-6 has been constructed to scale with 1.00 cm= 10.0 N. Use the parallelogram graphical method to construct (on Figure 3-6) the resultant vector FR for the addition of F₁ and F₂. Measure the length of the resultant vector and record it below. State the force represented by this length. Measure with a protractor the angle that the resultant makes with the x axis. Resultant vector length= cm

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Please help me with questions 6-7. 
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3 LABORATORY 3 Force Table and Vector Addition of Forces
PRE-LABORATORY ASSIGNMENT
1. Scalars are physical quantities that can be completely specified by their magnitude
and direction
2. A vector quantity is one that has both magnitude
3. Classify each of the following physical quantities as vectors or scalars:
(a) Volume
(b) Force
(c) Density S
(d) Velocity V
(e) Acceleration
F₂2₂ = 4ON => F(X) = √₂2₂ Cos@ = 40 cosuo=20N
F₂ (Y) = F/₂ Sin 0 = 408760 = 34.604N
Answer Questions 4-7 with reference to Figure 3-6 below.
4. If F₁ stands for a force vector of magnitude 30.0 N and F₂ stands for a force vector of magnitude 40.0 N
acting in the directions shown in Figure 3-6, what are the magnitude and direction of the resultant
obtained by the vector addition of these two vectors using the analytical method? Show your work.
F
30+20=SON
= 30N (× axis) → F₁(x) = 30N F₁(Y) = ON
0 +34.64 = 34.64N
y
Section
F2
60°
Date
Magnitude = (₂0, 83N Direction (relative to x axis) = 34.11 degrees
5. What is the equilibrant force that would be needed to compensate for the resultant force of the vectors
F₁ and F₂ that you calculated in Question 4?
Magnitude=0.83N Direction(relative to x axis) = 14.7 degrees
F₁
Figure 3-6 Addition of two force vectors.
X
√(50)² + (34.64)³ = 660.83
34.64 = 34.71°
SO
37
Transcribed Image Text:3 LABORATORY 3 Force Table and Vector Addition of Forces PRE-LABORATORY ASSIGNMENT 1. Scalars are physical quantities that can be completely specified by their magnitude and direction 2. A vector quantity is one that has both magnitude 3. Classify each of the following physical quantities as vectors or scalars: (a) Volume (b) Force (c) Density S (d) Velocity V (e) Acceleration F₂2₂ = 4ON => F(X) = √₂2₂ Cos@ = 40 cosuo=20N F₂ (Y) = F/₂ Sin 0 = 408760 = 34.604N Answer Questions 4-7 with reference to Figure 3-6 below. 4. If F₁ stands for a force vector of magnitude 30.0 N and F₂ stands for a force vector of magnitude 40.0 N acting in the directions shown in Figure 3-6, what are the magnitude and direction of the resultant obtained by the vector addition of these two vectors using the analytical method? Show your work. F 30+20=SON = 30N (× axis) → F₁(x) = 30N F₁(Y) = ON 0 +34.64 = 34.64N y Section F2 60° Date Magnitude = (₂0, 83N Direction (relative to x axis) = 34.11 degrees 5. What is the equilibrant force that would be needed to compensate for the resultant force of the vectors F₁ and F₂ that you calculated in Question 4? Magnitude=0.83N Direction(relative to x axis) = 14.7 degrees F₁ Figure 3-6 Addition of two force vectors. X √(50)² + (34.64)³ = 660.83 34.64 = 34.71° SO 37
38
Physics Laboratory Manual Loyd
6. Figure 3-6 has been constructed to scale with 1.00 cm = 10.0 N. Use the parallelogram graphical
method to construct (on Figure 3-6) the resultant vector FR for the addition of F₁ and F₂. Measure the
length of the resultant vector and record it below. State the force represented by this length. Measure
with a protractor the angle that the resultant makes with the x axis.
Resultant vector length=
Force represented by this length:
y
Direction of resultant relative to x axis
degrees
7. Use the polygon method of vector addition to construct on the axes below a graphical solution to the
problem in Figure 3-6. Use the scale 1.00 cm = 10.0 N.
Resultant vector length=
Force represented by this length=
0.200
cm
-X
cm
Direction of resultant relative to x axis
N
N
degrees
9
Transcribed Image Text:38 Physics Laboratory Manual Loyd 6. Figure 3-6 has been constructed to scale with 1.00 cm = 10.0 N. Use the parallelogram graphical method to construct (on Figure 3-6) the resultant vector FR for the addition of F₁ and F₂. Measure the length of the resultant vector and record it below. State the force represented by this length. Measure with a protractor the angle that the resultant makes with the x axis. Resultant vector length= Force represented by this length: y Direction of resultant relative to x axis degrees 7. Use the polygon method of vector addition to construct on the axes below a graphical solution to the problem in Figure 3-6. Use the scale 1.00 cm = 10.0 N. Resultant vector length= Force represented by this length= 0.200 cm -X cm Direction of resultant relative to x axis N N degrees 9
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