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55. As the mass of an object on Earth's surface decreases, what happens to the inertia and weight of the object? (1) Inertia decreases, and weight decreases. (2) Inertia decreases, and weight remains the same. (3) Inertia increases, and weight decreases. (4) Inertia remains the same, and weight remains the same. 5063

55. As the mass of an object on Earth's surface decreases, what happens to the inertia and weight of the object? (1) Inertia decreases, and weight decreases. (2) Inertia decreases, and weight remains the same. (3) Inertia increases, and weight decreases. (4) Inertia remains the same, and weight remains the same. 5063

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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rce le nother ated. A baseball bat striking a ball is an example of an action-reaction pair. If the bat exerts a 50.-newton force on the baseball, the ball exerts a 50.-newton force on the bat in the opposite direction. Each member of the action/ reaction pair of forces acts on a different object; one force acts on the ball and the other on the bat. If no other forces are present, the objects are accelerated in opposite directions as long as the forces are applied. RevieWesti Questions As mossdecrease intertla 55. As the mass of an object on Earth's surface decreases, what happens to the inertia and weight of the object? (1) Inertia decreases, and weight decreases. (2) Inertia decreases, and weight remains Kule something proves this 59. A cart is uniformly accelerating from rest. The net force acting on the cart is (1) decreasing (2) zero (3) constant but not zero (4) increasing 60. An 8.0-kilogram block and a 2.0-kilogram block rest on a horizontal frictionless surface. When horizontal force F is applied to the 8.0-kilogram block, it accelerates at 5.0 meters per second? east. If the same force was applied to the 2.0-kilogram block, the magnitude of the block's acceleration would be the same. (3) Inertia increases, and weight decreases. (4) Inertia remains the same, and weight remains the same. 56. Compared to the inertia of a 0.10-kilogram steel ball, the inertia of a 0.20-kilogram Styrofoam ball is (1) one-half as great (2) twice as great (3) the same (4) four times as great (1) 1.3 m/s? (2) 2.5 m/s? (3) 10. m/s? (4) 20. m/s? 61. A 6-newton force and an 8-newton force act 57. A ball rolls through a hollow semicircular tube lying flat on a horizontal tabletop. On the following diagram, draw a line with an arrowhead to represent the path of the ball after emerging from the tube, as viewed from above. concurrently on a box located on a frictionless horizontal surface. Which top-view diagram shows the forces producing the smallest magnitude of acceleration of the box? 8N 6N Top of box Top of box 8 N 6 N (1) (3) 6N Top of box 8N Tabletop Top of box 8 N6 N 58. The following graph shows the relationship between the acceleration of an object and the net force on the object. (2) (4) Acceleration vs. Force 62. As the vector sum of all the forces acting on a moving object increases, the magnitude of the acceleration of the object 6. 2. 2 (1) decreases (3) remains the same (2) increases 1 23 4 0. Force (N) 63. An unbalanced force of 10.0 newtons north acts on a 20.0-kilogram mass for 5.0 seconds. Calculate the acceleration of the mass. What is the mass of the object? (1) 1 kg (2) 2 kg (3) 0.5 kg (4) 0.2 kg Topic 2: Mechanics 41 Acceleration (m/s?
Transcribed Image Text:rce le nother ated. A baseball bat striking a ball is an example of an action-reaction pair. If the bat exerts a 50.-newton force on the baseball, the ball exerts a 50.-newton force on the bat in the opposite direction. Each member of the action/ reaction pair of forces acts on a different object; one force acts on the ball and the other on the bat. If no other forces are present, the objects are accelerated in opposite directions as long as the forces are applied. RevieWesti Questions As mossdecrease intertla 55. As the mass of an object on Earth's surface decreases, what happens to the inertia and weight of the object? (1) Inertia decreases, and weight decreases. (2) Inertia decreases, and weight remains Kule something proves this 59. A cart is uniformly accelerating from rest. The net force acting on the cart is (1) decreasing (2) zero (3) constant but not zero (4) increasing 60. An 8.0-kilogram block and a 2.0-kilogram block rest on a horizontal frictionless surface. When horizontal force F is applied to the 8.0-kilogram block, it accelerates at 5.0 meters per second? east. If the same force was applied to the 2.0-kilogram block, the magnitude of the block's acceleration would be the same. (3) Inertia increases, and weight decreases. (4) Inertia remains the same, and weight remains the same. 56. Compared to the inertia of a 0.10-kilogram steel ball, the inertia of a 0.20-kilogram Styrofoam ball is (1) one-half as great (2) twice as great (3) the same (4) four times as great (1) 1.3 m/s? (2) 2.5 m/s? (3) 10. m/s? (4) 20. m/s? 61. A 6-newton force and an 8-newton force act 57. A ball rolls through a hollow semicircular tube lying flat on a horizontal tabletop. On the following diagram, draw a line with an arrowhead to represent the path of the ball after emerging from the tube, as viewed from above. concurrently on a box located on a frictionless horizontal surface. Which top-view diagram shows the forces producing the smallest magnitude of acceleration of the box? 8N 6N Top of box Top of box 8 N 6 N (1) (3) 6N Top of box 8N Tabletop Top of box 8 N6 N 58. The following graph shows the relationship between the acceleration of an object and the net force on the object. (2) (4) Acceleration vs. Force 62. As the vector sum of all the forces acting on a moving object increases, the magnitude of the acceleration of the object 6. 2. 2 (1) decreases (3) remains the same (2) increases 1 23 4 0. Force (N) 63. An unbalanced force of 10.0 newtons north acts on a 20.0-kilogram mass for 5.0 seconds. Calculate the acceleration of the mass. What is the mass of the object? (1) 1 kg (2) 2 kg (3) 0.5 kg (4) 0.2 kg Topic 2: Mechanics 41 Acceleration (m/s?
an object that has no unbalanced force a angles to the horizon is a vertical component. If air resistance is neglected, 67. Which graph best represents the motion of 64 Two horizontal forces are applied to a 2.0-kilogram block on a frictionless, horizontal surface, as shown in the following diagram. on it? independent. is known, the gravitational superposition Fi=2.0 N F2 = 8.0 N 2.0 kg Frictionless horizontal surface Time Time (1) A Project An object p above Eart If air resist of the velo vertical ve velocity ir due to gra straight a that has downwa (3) 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 Time Time (2) 65. Which graph best represents the motion of an object on which the net force is zero? (4) 68. Four forces act on an object, as shown in the following diagram. 30. N Whether horizon is the sa Time Time (1) Time Time 40. N (2) (3) (4) 66. The vector diagram below represents force F acting on point P. seen by 30. N at 1.00- If the object is moving with a constant velocity, what is the magnitude of force F? examp 10.0 m above Force 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 70. In the following diagram, an inflated balloon released from rest moves horizontally with velocity v. time a the sa In ad (4) 9.8 N an el 2-12E (1) (2) and ball hori dro (3) (4) Air Balloon incr What is the most likely cause of this velocity? the fall Two-Dimensional Motion and Trajectories The motion of an object traveling in a two-dimensional plane can be described by separating its motion into the horizontal (x) and vertical (1) components of its displacement, velocity, and acceleration. A component parallel to the horizon is a horizontal component and a component at right W ve di in an example of two-dimensional motion is the motion of a cannonball projected near the surface of Earth at an angle above the horizontal, 16 gravity is the only unbalanced force acting on the cannonball, the vertical component of the ball's motion is identical to that of a freely falling bo and the horizontal component is uniform motion. Although the two motions occur simultaneously, the two components of the motion are 2 Topic 2: Mechanics
Transcribed Image Text:an object that has no unbalanced force a angles to the horizon is a vertical component. If air resistance is neglected, 67. Which graph best represents the motion of 64 Two horizontal forces are applied to a 2.0-kilogram block on a frictionless, horizontal surface, as shown in the following diagram. on it? independent. is known, the gravitational superposition Fi=2.0 N F2 = 8.0 N 2.0 kg Frictionless horizontal surface Time Time (1) A Project An object p above Eart If air resist of the velo vertical ve velocity ir due to gra straight a that has downwa (3) 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 Time Time (2) 65. Which graph best represents the motion of an object on which the net force is zero? (4) 68. Four forces act on an object, as shown in the following diagram. 30. N Whether horizon is the sa Time Time (1) Time Time 40. N (2) (3) (4) 66. The vector diagram below represents force F acting on point P. seen by 30. N at 1.00- If the object is moving with a constant velocity, what is the magnitude of force F? examp 10.0 m above Force 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 70. In the following diagram, an inflated balloon released from rest moves horizontally with velocity v. time a the sa In ad (4) 9.8 N an el 2-12E (1) (2) and ball hori dro (3) (4) Air Balloon incr What is the most likely cause of this velocity? the fall Two-Dimensional Motion and Trajectories The motion of an object traveling in a two-dimensional plane can be described by separating its motion into the horizontal (x) and vertical (1) components of its displacement, velocity, and acceleration. A component parallel to the horizon is a horizontal component and a component at right W ve di in an example of two-dimensional motion is the motion of a cannonball projected near the surface of Earth at an angle above the horizontal, 16 gravity is the only unbalanced force acting on the cannonball, the vertical component of the ball's motion is identical to that of a freely falling bo and the horizontal component is uniform motion. Although the two motions occur simultaneously, the two components of the motion are 2 Topic 2: Mechanics
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