Part b identify the forces acting on the object of interest. from the list below, select the forces that act on the piano. check all that apply.

check all that apply.
__acceleration of the piano
__gravitational force acting on the piano (piano's weight)
__speed of the pianogravitational force acting on chadwick (chadwick's weight)
__force of the floor on the piano (normal force)
__force of the piano on the floor
__force of chadwick on the pianoforce of the piano pushing on chadwick