Adonkey is harnessed to a sled having a mass of 216 kg, including supplies. the donkey must exert a force exceeding 1210 n at an angle of 34.3° (above the horizontal) in order to get the sled moving. treat the sled as a point particle.
1)
calculate the normal force (in n) on the sled when the magnitude of the applied force is 1210 n. (enter the magnitude.)
2)
find the coefficient of static friction between the sled and the ground beneath it.
3)
find the static friction force (in n) when the donkey is exerting a force of 6.05 ✕ 102 n on the sled at the same angle. (enter the magnitude.)

Is a  vector quantity  that refers to "the rate at which an object changes its position." imagine a person moving rapidly - one step forward and one step back - always returning to the original starting position. while this might result in a frenzy of activity, it would result in a zero velocity. because the person always returns to the original position, the motion would never result in a change in position. since velocity is defined as the rate at which the position changes, this motion results in zero velocity. if a person in motion wishes to maximize their velocity, then that person must make every effort to maximize the amount that they are displaced from their original position. every step must go into moving that person further from where he or she started. for certain, the person should never change directions and begin to return to the starting position.

Sorry i don’t know what to do