1. Three confused sled dogs are trying to pull a sled across the Alaskan snow. Tim pulls east with a force of 42 N; Sam also pulls east, but with a force of 53 N; and big Ethan pulls west with a force of 67 N. What is the net force on the sled? then find the acceleration?

2. A 944-kg dragster, starting from rest, attains a speed of 31,2 m/s in 0.670 s. a. Find the average acceleration of the dragster.

b. What is the magnitude of the average net force on the dragster during this time?

c. What horizontal force does the seat exert on the driver if the driver has a mass of 68.0 kg?

Please try to atleast answer one