What torque must your bicep muscle exert around your elbow if you are holding a 4.5kg (~10 lb) weight horizontally? Your forearm is 0.30 meters long and the muscle exerts force at the point furthest from the pivot point.

and 1and 1

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

do you have a formula possibly