The force of F 51 N is applied to the cord when s 2 m . The 6- kg collar is originally at rest. Neglect friction.?

Using the equation ( F = ma ), where ( F ) is the force applied (51 N), ( m ) is the mass of the collar (6 kg), and ( a ) is the acceleration of the collar, you can find the acceleration. Once you have the acceleration, you can use the equation for motion under constant acceleration, such as ( s = ut + \frac{1}{2}at^2 ), where ( s ) is the distance moved (2 m), ( u ) is the initial velocity (0 m/s since the collar is at rest), and ( t ) is the time taken. By solving for time, you can determine how long it took for the collar to move 2 m.