If a torque of 25 Nm is applied and the lever arm is 5 m, what is the angle at w

Practice Questions

Q1
If a torque of 25 Nm is applied and the lever arm is 5 m, what is the angle at which the force is applied if the force is 10 N?
  1. 0 degrees
  2. 30 degrees
  3. 60 degrees
  4. 90 degrees

Questions & Step-by-Step Solutions

If a torque of 25 Nm is applied and the lever arm is 5 m, what is the angle at which the force is applied if the force is 10 N?
  • Step 1: Understand the formula for torque, which is Torque = Force × Distance × sin(θ).
  • Step 2: Identify the values given in the question: Torque = 25 Nm, Force = 10 N, Distance (lever arm) = 5 m.
  • Step 3: Substitute the known values into the torque formula: 25 Nm = 10 N × 5 m × sin(θ).
  • Step 4: Simplify the equation: 25 Nm = 50 N·m × sin(θ).
  • Step 5: Divide both sides by 50 N·m to isolate sin(θ): sin(θ) = 25 Nm / 50 N·m.
  • Step 6: Calculate sin(θ): sin(θ) = 0.5.
  • Step 7: Find the angle θ by using the inverse sine function: θ = sin⁻¹(0.5).
  • Step 8: Determine the angle: θ = 30 degrees.
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