Couples and Torques
- Created by: theninjaemu
- Created on: 09-11-16 11:08
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- Couples and Torques
- Couples
- A pair of equal and parallel, but opposite forces
- Tend to produce rotation only
- Torque
- Describes the turning effect of a couple
- Measured in newton metres (Nm)
- Used to describe turning forces
- Torque = one of the forces x perpendicular distance between the forces
- Example
- Values
- Force downwards = 20N
- Force upwards = 20N
- Distance between forces = 32cm
- 1) identity correct equation: torque = Fd
- 2) substitute values in and calculate
- Torque = 20N x 0.32m
- Torque = 6.4Nm
- Values
- Couples
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