caitlynarowlett7650 caitlynarowlett7650
  • 17-01-2020
  • Physics
contestada

A screwdriver with a very thick handle requires less force to operate than one with a very skinny handle.
Explain why this is so.

Respuesta :

afsahsaleem afsahsaleem
  • 19-01-2020

Answer:

Torque provides the relation between applies force and 'r'. 'r' is distance between point at which torque is measured to the point at which force applied. It is given as:

[tex]\tau=\hat{r}\times \hat{F}\\\\\tau=rFsin\,\theta[/tex]

It can be seen that if τ is kept constant then there is inverse relation between r and F, larger the r smaller will be force required to operate.

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