Your washer uses different parts to wash and spin. So if it spins normally but the clothes barely move during the wash cycle, something in the wash system may be wrong.
First, check the cycle. Delicate, Hand Wash, Soak, and Rinse/Spin use little or no agitation. Select a Normal cycle and try again. An overloaded washer can also prevent the clothes from moving properly, so remove half the load and test it again.
Next, unplug the washer and turn the agitator or wash plate by hand. If it spins freely or feels loose, a worn agitator part may be the problem.
If you hear the motor humming but nothing moves, or you smell burning rubber, the belt, coupling, or transmission may be worn.