A 4-kg block and a 2-kg block can move on the horizontal frictionless surface. The blocks are accelerated by a +12-N force that pushes the larger block against the smaller one. Determine the force that the 2-kg block exerts on the 4-kg block.
A)-4 N
B)-12 N
C)0 N
D)+4 N
E)+8 N

Question

A 4-kg block and a 2-kg block can move on the horizontal frictionless surface. The blocks are accelerated by a +12-N force that pushes the larger block against the smaller one. Determine the force that the 2-kg block exerts on the 4-kg block. 
A)-4 N 
B)-12 N 
C)0 N 
D)+4 N 
E)+8 N

Quizplus · Accepted Answer

The Answer of A 4-kg block and a 2-kg block can move on the horizontal frictionless surface. The blocks are accelerated by a +12-N force that pushes the larger block against the smaller one. Determine the force that the 2-kg block exerts on the 4-kg block. 
A)-4 N 
B)-12 N 
C)0 N 
D)+4 N 
E)+8 N

A 4-Kg Block and a 2-Kg Block Can Move on the Horizontal