Question

One or more external forces are exerted on each object enclosed in a dashed box shown in the figure below. Identify the reaction to each of these forces. (Assumethat (a), (b) and (c) occur on Earth while (c), (d) and (e) occur far from any outside gravitational influences. Select all that apply.)

(a) the spring exerts a force	(b) the wagon exerts a force
a)to the right on the wallb)to the left on the wall c)to the left on the hand d)downward on the Earthe)upward on the Earth to the right on the hand	a)upward on the Earth due to gravitational attraction b)downward on theEarth due to contact c)downward to the left on the handled)upward on the Earth due to contacte)downward on the Earth due to gravitational attractionf)upward to the left on the handle
(c) the ball exerts a force	(d) m exerts a force
a)upward on the Earthb)downward to the left on the playerc)downward on the Earthd)downward to the right on the playere)upward to the right on the player	a)to the left on Mb)to the right on Mc)upward on Md)downward on M
(e) −q exerts a force	(f) the iron exerts a force
a)upward on Qb)to the left on Qc)to the right on Qd)downward on Q	a)to the right on the magnetb)upward on the magnetc)downward on the magnetd)to the left on the magnet

Answer 1

a)
a.The spring exerts a force to the right on the wall
c. to the left on the hand

b)
b. downward on the earth due to contact
c.downward to the left on the handle

c)
d.downward on the right of the player

d)
a.to the left on M

e)
b.to the left on Q

f)
d.to the left on the magnet