Shloimy Goldberger
Dr. U
12/11/2021
Physics 2 (D)
48. Because Hooke’s law is force exerted opposite the force that the spring is already exerting
to deform
56. Sliding friction, since it’s the direction that comes from sliding friction between two objects
58. Because static friction is the force required to move an object on another object, and on ice,
that force required is very low compared to other surfaces, so any waking movement generally
has no resistance and just moves sporadically.
113. It doubles