Two boxes are connected to each other by a string as shown in the figure. The 10-N box slides without friction on the horizontal table surface. The pulley is ideal and the string has negligible mass. What is true about the tension T in the string? A)T = 10 N B)T = 20 N C)T = 30 N D)T 30 N

Question

Two boxes are connected to each other by a string as shown in the figure. The 10-N box slides without friction on the horizontal table surface. The pulley is ideal and the string has negligible mass. What is true about the tension T in the string? 
A)T = 10 N 
B)T = 20 N 
C)T = 30 N 
D)T < 30 N 
E)T > 30 N

Quizplus · Accepted Answer

The Answer is D

Two Boxes Are Connected to Each Other by a String