Which scenario is an application of Newton's Second Law of Motion?

A.
Two soccer players collide trying to kick the soccer ball, and both fall backward away from each other and the ball.

B.
The batter hits a line drive that races toward the outfield. It finally stops when it hits the glove of the center fielder.

C.
The planetary rover's thrusters fail, and it descends with increasing speed toward the asteroid.

D.
A car is stuck in the snow. Two people push on the back of the car until the car begins to roll forward out of the snow.

Question

Which scenario is an application of Newton's Second Law of Motion? 	
	
 
A.
	Two soccer players collide trying to kick the soccer ball, and both fall backward away from each other and the ball.
	
 
B.
	The batter hits a line drive that races toward the outfield. It finally stops when it hits the glove of the center fielder.
	
 
C.
	The planetary rover's thrusters fail, and it descends with increasing speed toward the asteroid.
	
 
D.
	A car is stuck in the snow. Two people push on the back of the car until the car begins to roll forward out of the snow.

anonymous · Answer

D seems to be the right answer, since it's the only one that can be solved ONLY by Newton's Second Law. There's the forced applied by the two people pushing on the back of the car.