Question

The resultant force acting on a particle executing simple harmonic motion is 4 N when it is 10 cm away from the centre of oscillation. The spring constant will be 

(A) 40 N m^-1

(B) 80 N m^-1 

(C) 0.4 N m^-1 

(D) More than one of the above 

(E) None of the above

Answer 1

Correct option is : (A) 40 N m^-1