

Torque
Presentation
•
Science, Physics
•
11th Grade
•
Medium
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8 Slides • 3 Questions
1
Torque

2
Moment of a force
The quantity which tells us about the turning effect of a force is its moment.
3
Moment dependency
The moment of a force depends on two quantities:
■ the magnitude of the force (the bigger the force, the greater its moment)
■■ the perpendicular distance of the force from the pivot (the further the force acts from the pivot, the greater its moment).
4
Multiple Choice
5
Moment of force (torque)
The component of applied force to a perpendicular distance produces a torque.
Torque is the rotational equivalent of linear force.
6
7
8
Multiple Choice
What is the Unit for Torque
Nm
N
W
J
9
Multiple Choice
A wrench is used to tighten a nut. A 15N perpendicular force is applied 50cm away from the axis of rotation. What is the torque applied to the wrench?
7.5 Nm
1.5 Nm
750 Nm
150 Nm
10
Net torque
Net torque means calculating the resulting torque from different contributing forces.
Στ=τ1+τ2+...
clockwise torque contributes negative torque,
counterclockwise torque contributes positive torque.
11
Torque

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