## bii17 2 years ago When tightening cylinder-head bolts in a car, the crucial quantity is the torque applied to the bolts. why is this more important than the actual force applied to the wrench handle? pls help. tnx

1. Mikael

The motion of bodies which rotate around an axis is governed by torque versus mass. The long handle of the wrench INCREASES the force appled at the end by the leverage principle

2. Mikael

Torque ON the bolt is$\it F_{on-bolt}\times Radius_{bolt} = Torque$

3. Mikael

So the actual FORCE-ON-BOLT is crucial

4. Mikael

Thanks for the med. PLease close the question.

5. bii17

Thank you.. :)

6. Mikael

Youuu eiii-lcUmmm !