The horizontal surface on which the objects slide is frictionless. If F = 12 N, what is the tension in string 1?
A) 35 N
B) 30 N
C) 40 N
D) 45 N
E) 25 N

Question

The horizontal surface on which the objects slide is frictionless. If F = 12 N, what is the tension in string 1? 
A) 35 N 
B) 30 N 
C) 40 N 
D) 45 N 
E) 25 N

Quizplus · Accepted Answer

Since the horizontal surface is frictionless, the tension in string 1 (T1) will be equal to the force applied (F) since there are no other forces acting in the horizontal direction. Therefore, T1 = F = 12 N.

The Horizontal Surface on Which the Objects Slide Is Frictionless