Torque can be calculated by multiplying the force (N) applied at 90∘to the lever arm at a distance (m) from the pivot point (point of rotation), the compound SI unit for the torque is N⋅m. If the force (at 90∘to the lever arm) applied is 15 Nand it is applied at 2.0 mfrom the pivot point (point of rotation), what is the torque on the lever?

Question
Asked Jun 18, 2019

Torque can be calculated by multiplying the force (
N
) applied at
90


to the lever arm at a distance (
m
) from the pivot point (point of rotation), the compound SI unit for the torque is
N⋅m
. If the force (at
90


to the lever arm) applied is
15 N
and it is applied at
2.0 m
from the pivot point (point of rotation), what is the torque on the lever?

 

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Expert Answer

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Step 1

Torque is computed by taking the cross product of force and distance from the of point of force and point of rotation.

Step 2
T Fxr
T Frsin90
T (15 N) (2.0 m) = 30 N m
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T Fxr T Frsin90 T (15 N) (2.0 m) = 30 N m

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