# Torque

## Quiz by Abed Suwissat

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8 questions
• Q1
What is the torque produced by a force of 10 N applied at a perpendicular distance of 2 m from the pivot point?
$5 \, \text\left\{Nm\right\}$
$12 \, \text\left\{Nm\right\}$
$8 \, \text\left\{Nm\right\}$
$20 \, \text\left\{Nm\right\}$
30s
• Q2
If a wrench is 0.5 m long and is used to apply a force of 20 N at its end, perpendicular to the wrench, what is the torque generated around the bolt?
$5 \, \text\left\{Nm\right\}$
$10 \, \text\left\{Nm\right\}$
$0.025 \, \text\left\{Nm\right\}$
$40 \, \text\left\{Nm\right\}$
30s
• Q3
What is the required torque to tighten a bolt if a force of 30 N is applied at the end of a 0.4 m long spanner, and the force is applied perpendicular to the spanner?
$15 \, \text\left\{Nm\right\}$
$7.5 \, \text\left\{Nm\right\}$
$12 \, \text\left\{Nm\right\}$
$20 \, \text\left\{Nm\right\}$
30s
• Q4
A cyclist applies a force of 15 N at the end of a pedal that is 0.2 m long. If the force is applied tangentially to the circular path of the pedal, what is the torque exerted on the pedal axle?
$3 \, \text\left\{Nm\right\}$
$0.75 \, \text\left\{Nm\right\}$
$30 \, \text\left\{Nm\right\}$
$7.5 \, \text\left\{Nm\right\}$
30s
• Q5
What is the torque on a wheel if a tangential force of 50 N is applied to the rim of a wheel that has a radius of 0.3 m?
$15 \, \text\left\{Nm\right\}$
$25 \, \text\left\{Nm\right\}$
$20 \, \text\left\{Nm\right\}$
$10 \, \text\left\{Nm\right\}$
30s
• Q6
If a force of 25 N is applied at a perpendicular distance of 1.5 m from the pivot point, what is the resulting torque?
$23.5 \, \text\left\{Nm\right\}$
$37.5 \, \text\left\{Nm\right\}$
$16.7 \, \text\left\{Nm\right\}$
$40 \, \text\left\{Nm\right\}$
30s
• Q7
A door with a width of 1 m is pushed open with a force of 10 N applied at the doorknob, which is located at the edge of the door. What is the torque applied to the door hinge?
$5 \, \text\left\{Nm\right\}$
$15 \, \text\left\{Nm\right\}$
$20 \, \text\left\{Nm\right\}$
$10 \, \text\left\{Nm\right\}$
30s
• Q8
What is the torque generated by applying a 40 N force at the end of a lever arm 0.5 meters long, where the force is applied perpendicular to the lever arm?
$80 \, \text\left\{Nm\right\}$
$10 \, \text\left\{Nm\right\}$
$20 \, \text\left\{Nm\right\}$
$15 \, \text\left\{Nm\right\}$
30s

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