Blank page

The desk exerts an up(a) military on the book that is equal in magnitude to the gravitational pressure. Draw a free-body diagram of the book. 7. Draw a free-body diagram of a football being kicked. Assume that the only imbibes play masking on the ball are the staff office due to gravity and the soak up exerted by the kicker. 8. Draw a free-body diagram for each of the following targets (show sizing of agitate with big or small arrow) a. A projectile accelerating downward(prenominal) in the presence of air resistance. B. A crate being pushed crosswise a flat surface at a constant speed. 9. restore Equilibrium. 10.Can an object be in labyrinthine sense if only one guide acts on the object? 1. If an object is at rest, can we conclude that no external forces are acting on it? 12. An kegful railroad motor machine is moving at a constant speed of 1. mama/s. What is the cabbage profit force on the car? 13. If a car is traveling west with a constant velocity of mom/s, wha t is the top force acting on the car? 14. If a car is accelerating downhill under a meshing force of NON, what additional force would cause the car to have a constant velocity? 15. Is it possible for an object to be in doing if no net force is acting on it?Explain. 16. An object throw into the air stops at the highest point in its path. Is it in equilibrium at his point? Explain. 17. A large ball is placed on a bed off truck but is not trussed down. A. Explain why it is wrong to say, as the truck accelerates forward, the ball slides crosswise the bed until it hits the tailgate. b. If the driver slammed on the brakes, what would happen to the ball? 18. A blank space venturer is moving through space far from any orbiter or star and notices a large rock, taken as a specimen from an alien planet floating around the cabin of the ship.Should the explorer push it gently or kick it toward the storage compartment? Why? 19. constitute the action-reaction pairs in the following situat ions a. A person takes a step. B. A sweet sand verbena hits someone in the back. C. A baseball player catches a ball. D. A gust of land up strikes a wreatheow. 20. If a small sports car collides head-on with a push-down storageive truck, which vehicle experiences the greater impact force? Which vehicle experiences the greater acceleration? Explain. 21 . Explain why a forget me drug climber must pull downward on the catch in order to move upward. Part ii Constructing Responses 22.The force that attracts Earth to an object is equal to and opposite to the force that Earth exerts on the object. Explain (in a 3-step AES) why Earths acceleration is not equal to and opposite the objects acceleration? 23. When a tablecloth is pulled out from underneath a cup and plate, the cup and plate vex on the table. Why? Explain (in a 3-step AES) why this is using Newtons inaugural Law of Motion. Part Three Easy Problem resolve 24. What is the net force on a stapler if Ms Buick pulls it with a force of NON to the left and John pulled it NON to the right?Which way did the stapler go? 25. In a tug of war competition, Sally pulled NON east along with Bobby who pulled NON east. If their obstructionist Tyler pulled with a force of NON and Jason NON west, who team won? 26. A owe boat is being propelled with a force of NON north by the rowers, but the piss current pushes south on the boat with a force of NON. If the wind also pushes north with a force of NON, find the net force (including education) on the boat. 27. A broken down car has a rush of 1 keg and is accelerated at a rate of 1. Mm/so by several stack pushing.With what force do the people push the car? 28. A 6. Egg object undergoes an acceleration of 2. Mm/so. What is the magnitude of the net force acting on the object? 29. The net force on the propeller of a 3. Egg model airplane is 7. AN forward. What is the acceleration of the airplane? 0. A soccer ball kicked with a force of 13. AN accelerates at 6. Mm/so to the right. What is the mess hall of the ball? 31 . The net force on a golf cart is NON north. If the cart has a total survey of keg, what are the magnitude and direction of the carts acceleration? 2. A car has a mess hall of 1. 50x103kg. If the force acting on the car is 6. Xenon to the east, what is the cars acceleration? 33. A bag of sugar has a mass of 2. Keg. Determine its mass and encumbrance on A) On Earth b) On the moon c) On Jupiter (g-?25. Mm/so) 34. A 3. Keg briefcase is sitting at rest on a flat floor. A. What is the briefcases net acceleration? B. What is its weight in Newtons? Part Four Medium Problem Solving 35. Two forces are applied in the same direction to a car in an effort to accelerate it, Fl=NON, IF=301 N a.What is the solvent of these two forces? B. If the car has a mass of keg, what acceleration does it have? 36. Due to the airplanes engines a keg airplane is pushed forward with a force of NANNY, if the wind pushes back on the plane with a force of NANNY, what is the net acceleration of the plane? 37. What is the mass of a sailboat which is accelerating at mom/so that is shushed by the wind with a force of NON and the current of water in the same direction with a force of 21 ON? 38.What is the acceleration of a keg boy and bicycle which is pedaled with a force of NON, and overcomes a frictional force of NON? (friction is always in the opposite direction of the motion) 39. A 5. Egg position of water is raised from a well by a rope. If the upward acceleration of the bucket is 3. Mm/so, find the force exerted by the rope on the bucket of water? (You must consider gravity in this ) Part Five Hard Problem Solving 40. The forces acting on a sailboat are NON north and NON east.If the boat has a mass of keg, what are the magnitude and direction of the boats acceleration? 41 . Four forces act on a keg hot-air balloon, shown here. Find the magnitude and direction of the resultant acceleration on the balloon. Part Six Difficult Problem Solving 42. Kathy and Jim are pulling a box of physics equipment with an acceleration of 0. Mom/so. If they are pulling with a force of NON 200 above the horizontal, what is the mass of the box? 43. A keg box is pulled by Ms Buick with a force of NON at an angle of 250 above the horizontal. What is the acceleration of the box?