Math Problem Statement

Determine the x, y, and z components of the 850-N force. The force is represented by a vector making angles with the axes as shown in the provided image.

Solution

To determine the x, y, and z components of the 850-N force (P), we need to use vector decomposition based on the given angles in the figure. The process follows the formula for the components of a force vector along each axis, based on the direction angles.

We have:

  • The force magnitude P=850NP = 850 \, \text{N}
  • Angles provided:
    • 70° from the x-y plane, likely indicating the z component angle
    • 40° with the x-z plane for the 500-N force
    • 25° for the angle with the x-axis.

Using the direction cosines:

  1. For the x-component, we use the cosine of the angle between the vector and the x-axis.

    • Fx=Pcos(25)F_x = P \cdot \cos(25^\circ)
  2. For the y-component, we use the cosine of the angle with the y-axis.

    • Fy=Psin(25)cos(70)F_y = P \cdot \sin(25^\circ) \cdot \cos(70^\circ)
  3. For the z-component, we will use the cosine of the angle with the z-axis.

    • Fz=Psin(25)sin(70)F_z = P \cdot \sin(25^\circ) \cdot \sin(70^\circ)

Let's proceed with these calculations. math

Given data

P = 850 # N angle_x = 25 # degrees angle_z = 70 # degrees angle_y = 40 # degrees

Convert angles to radians

angle_x_rad = math.radians(angle_x) angle_z_rad = math.radians(angle_z)

Calculate components

Fx = P * math.cos(angle_x_rad) Fy = P * math.sin(angle_x_rad) * math.cos(math.radians(70)) Fz = P * math.sin(angle_x_rad) * math.sin(math.radians(70))

Fx, Fy, FzThe components of the 850-N force are:

  • The x component of the 850-N force is approximately 770.36 N.
  • The y component of the 850-N force is approximately 122.86 N.
  • The z component of the 850-N force is approximately 337.56 N.

Let me know if you need more details or if you have further questions!

Here are some related questions you might find useful:

  1. How do you determine the direction cosines for force vectors?
  2. What is the importance of understanding vector decomposition in engineering?
  3. How would you handle forces in a 3D space that are not aligned with any axis?
  4. What happens to the components of a force if the angle is changed?
  5. How do you calculate the resultant of multiple forces acting on a body?

Tip: Always ensure to check that the angles you use correspond to the correct planes or axes in the 3D space for accurate results.

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Math Problem Analysis

Mathematical Concepts

Vector Decomposition
Trigonometry
Force Analysis

Formulas

F_x = F * cos(θ_x)
F_y = F * sin(θ_x) * cos(θ_y)
F_z = F * sin(θ_x) * sin(θ_y)

Theorems

Trigonometric Functions
Direction Cosine Theorem

Suitable Grade Level

Grades 11-12, College Engineering