A bead travelling on a straight wire is brought to rest at 0.2 m by friction. If the mass of the bead is 0.01 kg and the coefficient of friction between the bead and the wire is 0.1. Determine the work done by the friction.

• A.2 x 10^-4 J
• B.2 x 10^-3 J
• C.2 x 10¹ J
• D.2 x 10² J