Nina and Jon Ice Skating Routine System Analysis

Nina and Jon Ice Skating Routine System Analysis

Nina and Jon are practicing an ice skating routine. Nina is standing still. Jon, who is twice as heavy as Nina, skates toward her, pushing Nina away with force f. Assuming the system is closed, which statement is correct about this system?

a. Nina experiences a force equal to f/2.

b. Nina experiences a force equal to f^2.

c. Nina experiences a force equal to 2f.

d. Nina experiences a force equal to f.