<p> FORCE PROBLEMS WORKSHEET</p><p>1. A. What is the 2nd Law formula? ______</p><p>B. Draw the triangle with the 2nd Law formula.</p><p>C. What is net force? ______</p><p>Show your work on #’s 2-5 2. A. A boy pulls a wagon with a force of 7 Newtons east as another boy pushes it with a force of 4 Newtons east, the sliding frictional force is 3 Newtons. What is the net force?</p><p>B. If the wagon is accelerating at a rate of 2 m/s2, what is the mass of the wagon?</p><p>3. A. Mr. Smith and his wife (Mrs. Smith) were trying to move their new chair. Mr. Smith pulls with a force of 30 N while Mrs. Smith pushes with a force of 25 N in the same direction. What is the net force?</p><p>B. If the chair has a mass of 40 kg. What is the rate of acceleration?</p><p>4. Two classes are playing tug of war. Ms.House’s class pulls with a force of 60 N. Mr. Ammon’s class pulls with a force of 45 N in the opposite direction. What is the net force? And who won?</p><p>5. A. A car with a mass of 400 kg is accelerating at a rate of 3. m/s2. What is the net force acting on the car?</p><p>B. If the car is accelerating, and the forward force of the engine is 950 Newtons, how much frictional force is there? Draw a picture showing the forces.</p>