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Two horizontal forces are applied to a 2.0-kilogram block on a frictionless, horizontal surface, as shown in the following diagram. F1 = 2.0 N F2 = 8.0 N %3D 2.0 kg Frictionless horizontal surface The acceleration of the block is (1) 5.0 m/s? to the right (2) 5.0 m/s? to the left (3) 3.0 m/s? to the right (4) 3.0 m/s? to the left

Two horizontal forces are applied to a 2.0-kilogram block on a frictionless, horizontal surface, as shown in the following diagram. F1 = 2.0 N F2 = 8.0 N %3D 2.0 kg Frictionless horizontal surface The acceleration of the block is (1) 5.0 m/s? to the right (2) 5.0 m/s? to the left (3) 3.0 m/s? to the right (4) 3.0 m/s? to the left

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please help with questions 64,65,66,67,68,69,70
67. Which graph best represents the motion . an object that has no unbalanced force on it? acting 64 Two horizontal forces are applied to a 2.0-kilogram block on a frictionless, horizontal surface, as shown in the following diagram. F2 = 8.0 N F1 = 2.0 N 2.0 kg Time Time (3) (1) Frictionless horizontal surface The acceleration of the block is (1) 5.0 m/s² to the right (2) 5.0 m/s² to the left (3) 3.0 m/s? to the right (4) 3.0 m/s? to the left Time Time (4) (2) 65. Which graph best represents the motion of an object on which the net force is zero? 68. Four forces act on an object, as shown in the following diagram. 30. N 40. N >F Time Time Time Time (1) (2) (3) (4) 30. N 66. The vector diagram below represents force F acting on point P. If the object is moving with a constant velocity. what is the magnitude of force F? Force P. Which vector diagram represents the pair of concurrent forces that would produce equilibrium when added to force F? 69. A 1.0-kilogram book rests on a horizontal tabletop. The magnitude of the force of the tabletop on the book is (1) 1.0 kg (2) 9.8 kg (3) 1.0 N (4) 9.8 N 70. In the following diagram, an inflated balloon released from rest moves horizontally with velocity v. P. A. (1) (2) (3) (4) Air Balloon What is the most likely cause of this velocity? Distance Distance Speed Speed Momentum Displacement
Transcribed Image Text:67. Which graph best represents the motion . an object that has no unbalanced force on it? acting 64 Two horizontal forces are applied to a 2.0-kilogram block on a frictionless, horizontal surface, as shown in the following diagram. F2 = 8.0 N F1 = 2.0 N 2.0 kg Time Time (3) (1) Frictionless horizontal surface The acceleration of the block is (1) 5.0 m/s² to the right (2) 5.0 m/s² to the left (3) 3.0 m/s? to the right (4) 3.0 m/s? to the left Time Time (4) (2) 65. Which graph best represents the motion of an object on which the net force is zero? 68. Four forces act on an object, as shown in the following diagram. 30. N 40. N >F Time Time Time Time (1) (2) (3) (4) 30. N 66. The vector diagram below represents force F acting on point P. If the object is moving with a constant velocity. what is the magnitude of force F? Force P. Which vector diagram represents the pair of concurrent forces that would produce equilibrium when added to force F? 69. A 1.0-kilogram book rests on a horizontal tabletop. The magnitude of the force of the tabletop on the book is (1) 1.0 kg (2) 9.8 kg (3) 1.0 N (4) 9.8 N 70. In the following diagram, an inflated balloon released from rest moves horizontally with velocity v. P. A. (1) (2) (3) (4) Air Balloon What is the most likely cause of this velocity? Distance Distance Speed Speed Momentum Displacement
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