9th Class
Science
Force and laws of motion
Question Bank
Force and Laws of Motion
question_answer
Consider two spring balances hooked as shown in the figure. We pull them in opposite directions. If the reading shown by A is 1.5 N, the reading shown by B will be
A)1.5 N
B)2.5 N
C)3.0 N
D) Zero.
Correct Answer:
A
Solution :
According to Newton's third law, the reading shown by B should be same as A, i.e., 1.5 N.