Question

A book is resting on the table. Forces are exerted _____.

upward by the table
downward by the book
in equal and opposite directions
all of the above

Tyler throws a baseball, which accidentally breaks a window in his neighbor's house. Which of the following represents the action force?
The window breaking.
The baseball accelerating.
Tyler's arm throwing the ball.


A 50 kg wagon is pulled with a 100 N force. If the force is increased to 200 N, how quickly will the wagon accelerate?
1 m/s2
2 m/s2
4 m/s2
25 m/s2

Answer 1

for the last one, its 2 m/s2

Answer 2

Forces are exerted I believe : all of the above
The action force might be Tyler throwing the ball
I don't know the last one