What is the Formula for Calculating Torque While Digging?

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To calculate the torque acting on an arm while digging, the basic formula tau = F x d is used, where F is the force and d is the length of the lever arm. A diagram is recommended to clarify the parameters involved, including the friction force between the tool and the material being dug. It is suggested to consider the pivot point and the forces acting at different points, such as where the shovel is held. Additionally, equating the torque from the applied force with the torque from gravity at the shovel's head can provide further insights. Understanding these factors is essential for accurately calculating the torque in this context.
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Homework Statement



Hi!

I want to calculate the torque acting on an arm while it is digging something. I only have the formula tau= Fxd. Anyone that know a good formula for this?

Homework Equations





The Attempt at a Solution


tau= Fxd, where d is the length of the link. I can't go any further
 
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ExoP said:
I want to calculate the torque acting on an arm while it is digging something. I only have the formula tau= Fxd. Anyone that know a good formula for this?
First start with a diagram
 
Can you explain a little more? what are the parameters? :/
 
I guess I need the friction force between the sand and the tool
 
ExoP said:

Homework Statement




I want to calculate the torque acting on an arm while it is digging something. I only have the formula tau= Fxd. Anyone that know a good formula for this?

The Attempt at a Solution


tau= Fxd, where d is the length of the link. I can't go any further[/QUOTE

If right-handed you could assume the pivot point is the right hand, the torque is applied where the left hand holds the shovel, then equate that torque with the torque applied by gravity at the shovel's head.
 

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