What is the answer to this definition ?
in the second law of motion it is mass x acceleration. the ability to apply a change in velocity on a given object.
a force
b friction
c unbalanced forces
d none of the above, tell what it is

The california mussel (mytilus californianus) attaches itself to a rock or other solid surface with a bundle of filaments known as the byssus. imagine that 15.0 j of work is done to stretch the distal end of the byssus. it releases 10.8 j of thermal energy as it relaxes. what is the resilience of the distal end of the byssus?