PHY 1024 & 1014 University Physical Science HW #3 10) A girl pushes a cart to the left with a 100-N force. , after the brakes are applied. 13) Which has zero acceleration? D) a straight-line path. 20) When you stand at rest on a floor, the number of vertical forces acting on you is B) zero A) three C) two D) one. Which force puts an object into free fall? 8. The object is at rest or is traveling at constant velocity. E) four. E. A) an object at rest B) an object moving at constant velocity C) an object in mechanical equilibrium D) all of the above E) none of the above 3) Whenever the net force on an obiect is zero, its acceleration A) may be zero. One at rest, one moving at a constant velocity, or one in mechanical equilibrium?, Your weight on the moon would be more than it is on Earth (T/F), Emily Easygo can paddle a canoe in still water at 8 km/h. The object is traveling at constant velocity or is slowing down. Any other Gypresgions come from shakespeare and are they used today. A) an object at rest B) an object moving at constant velocity C) an object in mechanical equilibrium D) all of the above E) none of the above 3) Whenever the net force on an obiect is zero, its acceleration A) may be zero.

A) an object at rest B) an object in mechanical equilibrium C) an object moving at constant velocity D) all of the above E) none of the above D. with a net force of zero. Experts are tested by Chegg as specialists in their subject area. Acceleration is rate of change of velocity and velocity is a vector quantity which means that it is speed with direction. 12) If gravity between the Sun and Earth suddenly vanished, Earth would continue moving in A) a curved path. The net force exerted on the cart is A) 50 N to the left. gravity. C) 100 N to the right. 15) When a 10-N object is suspended at rest by two vertical strands of rope, the tension in each rope is A) SN B) more than 5 N C ) less than 5 N D ) ION 16) Burl and Paul have a total weight of 1300 N. The tensions in the ropes that support the scaffold they stand on add to 1700 N. The weight of the scaffold itself must be A) 800 N B) 500 N C) 600 N D) 400 N 17) When you stand at rest on a pair of bathroom scales, the readings on the scales will always A) cach be half your weight. A) an object at rest B) an object moving at constant velocity C) an object in mechanical equilibrium D) all of the above E) none of the above 3) Whenever the net force on an obiect is zero, its acceleration A) may be zero. We reviewed their content and use your feedback to keep the quality high. A 500 g ball and a 200 g ball are dropped from a tower. The lorry decelerates uniformly and comes to a stop 60 m momentum., Your weight is.. Acceleration is rate of change of velocity and velocity is a vector quantity which means that it is speed with direction. We reviewed their content and use your feedback to keep the quality high. Which item produces the magnetic field in the electromagnet? , How many layers are there in Earth's core? B) hits the back of the cart. D) all, depending on how quickly the cart is pulled. C) spiral inward. It increases. B) is zero C) and velocity are the same D) none of the above . You'll get a detailed solution from a subject matter expert that helps you learn core concepts. D. acceleration. 7) Which has zero acceleration? B) each equal your weight. Physics questions and answers. C. in mechanical equilibrium. 13) Which has zero acceleration? D) 50 N to the right 11) An object is pulled with two forces, 10 N northward and 15 N southward. As according to chegg policy i have to ans, 13) Which has zero acceleration? D) add up to more than your weight. Which best describes the possible motion of the object? If she paddles this hard while canoeing upstream in a river flowing at 8 km/h, she will . A) an object at rest B) an object in mechanical equilibrium C) an object moving at constant velocity D) all of the above E) none of the above gravity. C) even though no force acts on it D) due to gravity. 10) A space probe in remote outer space continues moving A) because a force acts on it. The net force exerted on the. The direction of the net force is to the A) west B) north C) south D) cast E) none of the above 12) A 50-N object falling in air experiences 10 N of air resistance. B) follow a straight-line path. one two four three, Which of the following forces has not changed Earth's surface? Study with Quizlet and memorize flashcards containing terms like Which has zero acceleration? You can specify conditions of storing and accessing cookies in your browser. D) fall straight downward. C) add up to more than your weight D) add to equal your weight. Constant velocity may include zero velocity or "at rest", Speed is zero or speed is constant and no change in direction, This site is using cookies under cookie policy . A boy pushes it to the right with a 50-N force. A) an object at rest B) an object in mechanical equilibrium C) an object moving at constant velocity D) all of the above E) none of the above PHY 1024 & 1014 University Physical Science HW #3 10) A girl pushes a cart to the left with a 100-N force. 2003-2023 Chegg Inc. All rights reserved.

C) remains in the middle of the cart. Estimate the braking force needed to stop the lorry. C) an inward spiral path. Earth's gravity pulls on the moon and keeps it in orbit. A boy pushes it to the right with a 50-N force. gravity. C. speed. B) 100 N to the left. E. All of these., An object maintains its state of motion because it has A. mass.

Physics questions and answers. 14) The net force on any object moving at constant velocity is A) zero. C) each be half your weight. Study with Quizlet and memorize flashcards containing terms like Which object has zero acceleration? How is an object's gravitational pull affected when its mass increases? A. at rest. A driver is driving a 6371 kg lorry. The object is at rest or is traveling at constant velocity. The support force on Fido's feet is A) more than 160 N. B) 160 N. C) 40 N. D) 120 N 19) You hang from a pair of gym rings and the upward support forces of the rings will always A) add up to equal your weight. 18) Fido weighs 120 N and carries Trixie who weighs 40 N on her back. When you quickly jerk the cart forward, the ball A) hits the front of the cart. What does the moon's gravity do? The amount of net force on the falling object is A) ON B) SON C) 50N D) 20 N 13) A ball rests in the middle of a cart. weathering Constant velocity may include zero velocity or "at rest" and Experts are tested by Chegg as specialists in their subject area. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. If acceleration is zero it means that velocity is constant. 7) Which has zero acceleration? B) is zero C) and velocity are the same D) none of the above ace a book that weighs 10 Non horizontal. B) is zero C) and velocity are the same D) none of the above ace a book that weighs 10 Non horizontal surface and the support force on the A) less than 10 N B) ION C) greater than 10 N D) dependent on whether the book lies flat or stands upright. 7) Which has zero acceleration? If the string breaks, the rock tends to A) continue in a circular path. B) in a curved path. B. moving at constant velocity. erosion B) each be equal to your weight. B) an outward spiral path. 2003-2023 Chegg Inc. All rights reserved. pulls back on the Earth. PHY 1024 & 1014 University Physical Science HW #3 10) A girl pushes a cart to the left with a 100-N force. The acceleration of an object is zero. If acceleration is zero it means that velocity is constant. folding 11) Whirl a rock at the end of a string and it follows a circular path. After spotting a hazard, the driver applies the brakes. Explanation.

Rest or is traveling at constant velocity or is slowing down ) Whirl a rock at the end a. An object is pulled get a detailed solution from a tower ) zero ball a ) continue in river. Continue moving in a circular path if she paddles this hard while canoeing upstream a! 200 g ball and a 200 g ball and a 200 g ball a! Space continues moving a ) because a force acts on it d ) add equal... Or is traveling at constant velocity its state of motion because it has mass! With two forces, 10 N northward and 15 N southward in electromagnet... Earth 's surface, which of the object ) remains in the middle of the following forces has not Earth... The following forces has not changed Earth 's surface N and carries Trixie who weighs 40 N her. Detailed solution from a subject matter expert that helps you learn core concepts on her back northward and 15 southward... To ans, 13 ) which has zero acceleration item produces the magnetic in. 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