Question

Two identical objects each of mass \(50\) kg are kept at a distance of \(50\) cm apart on a horizontal table. The net gravitational force at the mid-point of the line joining their centres is

• A. zero
• B. \(6.6733\times 10^{-8}\) N
• C. \(6.6733\times 10^{-10}\) N
• D. \(3.336\times 10^{-8}\) N
• E. \(13.346\times 10^{-8}\) N

Hint:

At the exact midpoint between two equal masses, gravitational field is zero because the two fields cancel.

Answer 1

The Correct Option is A

At the mid-point, the gravitational forces due to the two identical masses are equal in magnitude and opposite in direction. So they cancel each other. Hence, the net gravitational force is: \[ \boxed{0} \] Therefore, \[ \boxed{(A)\ \text{zero}} \]