Author Question: The net force on an object is in the positive x-direction. Consider the following statements. (I) ... (Read 66 times)

rosent76 · **on:** Jul 28, 2018

The net force on an object is in the positive x-direction. Consider the following statements. (I) The object can be moving in the negative x-direction. (II) The object can be speeding up. (III) The object can be slowing down. (IV) The object can be moving in the positive y-direction. Which of the statements are true?
a. (I) and (II)
b. (II) and (III)
c. (III) and (IV)
d. Choose this answer if all the statements are true.

Question 2

A thrown stone hits a window, but doesn't break it. Instead it reverses direction and ends up on the ground below the window. In this case, we know:
a. the force of the stone on the glass > the force of the glass on the stone.
b. the force of the stone on the glass = the force of the glass on the stone.
c. the force of the stone on the glass < the force of the glass on the stone.
d. the stone didn't slow down as it broke the glass.