PLEASE help me quickly

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?

Does the distance travelled by an oscillating mass between times t=0 and t2 equal the displacement of the particle over the same time period if t2> t/2? hint: consider a sine wave starting at t1=0, then consider a closing wave starting at t1=0, for your explanation.