A long uniform thin rod of mass has small point masses of attached to each end
PHYSICS · Single correct · A Level · Physics · Engineering physics · Engineering physics
Problem
A 0.50m long uniform thin rod of mass 0.40kg has small point masses of 0.10kg attached to each end. Determine the rotational inertia of the entire assembly about an axis through the rod’s midpoint and perpendicular to the rod.
(a) 1.25×10−2kg⋅m2
(b) 1.70×10−2kg⋅m2
(c) 2.08×10−2kg⋅m2
(d) 2.50×10−2kg⋅m2