Applied Physics (11th Edition)
11th Edition
ISBN: 9780134159386
Author: Dale Ewen, Neill Schurter, Erik Gundersen
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 6RQ
Cite three examples of forces acting without motion being produced.
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4B. Four electrons are located on the corners of a square, one on each corner, with the sides of the square being 25 cm long. a) Draw a sketch of the scenario and use your sketch to b) Determine the total force (magnitude and direction) on one of the electrons from the other three?
Portfolio Problem 3. A ball is thrown vertically upwards with a speed vo
from the floor of a room of height h. It hits the ceiling and then returns to the
floor, from which it rebounds, managing just to hit the ceiling a second time.
Assume that the coefficient of restitution between the ball and the floor, e, is
equal to that between the ball and the ceiling. Compute e.
Portfolio Problem 4. Consider two identical springs, each with natural length
and spring constant k, attached to a horizontal frame at distance 2l apart. Their
free ends are attached to the same particle of mass m, which is hanging under
gravity. Let z denote the vertical displacement of the particle from the hori-
zontal frame, so that z < 0 when the particle is below the frame, as shown in
the figure. The particle has zero horizontal velocity, so that the motion is one
dimensional along z.
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(a) Show that the total force acting on the particle is
X
F-mg k-2kz 1
(1.
l
k.
(b) Find the potential energy U(x, y, z) of the system such that U
x = : 0.
= O when
(c) The particle is pulled down until the springs are each of length 3l, and then
released. Find the velocity of the particle when it crosses z = 0.
Chapter 5 Solutions
Applied Physics (11th Edition)
Ch. 5.2 - Find the total force necessary to give each mass...Ch. 5.2 - Find the total force necessary to give each mass...Ch. 5.2 - Find the total force necessary to give each mass...Ch. 5.2 - Find the total force necessary to give each mass...Ch. 5.2 - Find the total force necessary to give each mass...Ch. 5.2 - Find the total force necessary to give each mass...Ch. 5.2 - Find the total force necessary to give each mass...Ch. 5.2 - Find the total force necessary to give each mass...Ch. 5.2 - Find the acceleration of each mass with the given...Ch. 5.2 - Find the acceleration of each mass with the given...
Ch. 5.2 - Find the acceleration of each mass with the given...Ch. 5.2 - Find the acceleration of each mass with the given...Ch. 5.2 - Find the acceleration of each mass with the given...Ch. 5.2 - Find the acceleration of each mass with the given...Ch. 5.2 - Find the acceleration of each mass with the given...Ch. 5.2 - Find the acceleration of each mass with the given...Ch. 5.2 - Find the acceleration of each mass with the given...Ch. 5.2 - Find the acceleration produced by a total force of...Ch. 5.2 - Find the total force necessary to give an...Ch. 5.2 - Find the total force necessary to give a rocket of...Ch. 5.2 - A forklift has a mass of 975 kg. What force must...Ch. 5.2 - A power wheelbarrow has a mass of 432 kg. What...Ch. 5.2 - What is the rate of deceleration of a 1400-kg SUV...Ch. 5.2 - An earthmover slows from 15.0 km/h to 3.00 km/h in...Ch. 5.2 - Find the total force necessary to give a 140-kg...Ch. 5.2 - Find the acceleration produced by a total force of...Ch. 5.2 - Find the mass of an object with acceleration 15.0...Ch. 5.2 - An automobile has a mass of 100 slugs. The...Ch. 5.2 - Find the acceleration produced by a force of 6.75 ...Ch. 5.2 - An astronaut has a mass of 80.0 kg. His space suit...Ch. 5.2 - A discus thrower exerts a force of 140 N on the...Ch. 5.2 - A scooter and rider together have a mass of 275...Ch. 5.2 - A pickup truck with mass of 1230 kg moving at 105...Ch. 5.3 - Find the weight for each mass. 1. m = 30. 0kgCh. 5.3 - Find the weight for each mass. 2. m = 60.0kgCh. 5.3 - Find the weight for mass. 3. m = 10.0 slugsCh. 5.3 - Find the weight for each mass. 4. m = 9.00 kgCh. 5.3 - Find the mass for each weight. 5. Fw = 17.0 NCh. 5.3 - Find the mass for each weight. 6. Fm = 21.0 lbCh. 5.3 - Find the mass for each weight. 7. Fw = 12,000 NCh. 5.3 - Find the mass for each weight. 8. Fw = 25, 000 NCh. 5.3 - Find the mass for the each weight. 9. Fw = 6.7 ...Ch. 5.3 - Find the mass for each weight. 10. Fw = 5.5 106...Ch. 5.3 - Find the weight of an 1150-kg automobile.Ch. 5.3 - Find the weight of an 81.5-slug automobile.Ch. 5.3 - Find the mass of a 2750-lb automobile.Ch. 5.3 - What is the mass of a 20,000-N truck?Ch. 5.3 - What is the mass of a 7500-N trailer?Ch. 5.3 - Find the mass of an 11,500-N automobile.Ch. 5.3 - Find the weight of a 1350-kg automobile (a) on the...Ch. 5.3 - Maria weighs 115 lb on the earth. What are her (a)...Ch. 5.3 - Johns mass is 65.0 kg on the earth. What are his...Ch. 5.3 - What is your weight in newtons and in pounds?Ch. 5.3 - What is your mass in kilograms and in slugs?Ch. 5.3 - What are your U.S. mass and weight on the moon?Ch. 5.3 - What are your metric mass and weight on the moon?Ch. 5.3 - Johns mass is 65.0 kg on the earth. What are his...Ch. 5.3 - Maria weighs 115 lb on the earth. What are her U...Ch. 5.3 - John's mass is 65.0 kg on the earth. What are his...Ch. 5.3 - What are your metric mass and weight on Jupiter,...Ch. 5.3 - What are your metric mass and weight on Mars,...Ch. 5.3 - An automobile transmission weighs 995 N. What is...Ch. 5.3 - A power wheelbarrow weighs 210 N. What is its...Ch. 5.4 - A cart on wheels weighs 2400 N. The coefficient of...Ch. 5.4 - A wooden crate weighs 780 lb. What force is needed...Ch. 5.4 - A piano weighs 4700 N. What force is needed to...Ch. 5.4 - A force of 850 N is needed to keep the piano in...Ch. 5.4 - A dog sled weighing 750 lb is pulled over level...Ch. 5.4 - A horizontal conveyor belt system has a...Ch. 5.4 - A tow truck can deliver 2500 lb of pulling force....Ch. 5.4 - A snowmobile is pulling a large sled across a...Ch. 5.4 - An automobile weighs 12,000 N and has a...Ch. 5.4 - A light truck weighs 14,000 N with a coefficient...Ch. 5.4 - A stake truck weighs 20,000 N with a coefficient...Ch. 5.4 - An alloy block is placed on a smooth composite...Ch. 5.4 - If a 20.0-N casting is placed on the block in...Ch. 5.4 - Rubber tires and wet blacktop have a coefficient...Ch. 5.4 - The coefficient of friction in Problem 15 is 0.700...Ch. 5.5 - Find the net force including its direction when...Ch. 5.5 - Find the net force including its direction when...Ch. 5.5 - Find the net force including its direction when...Ch. 5.5 - Find the net force including its direction when...Ch. 5.5 - Find the net force including its direction when...Ch. 5.5 - Find the net force including its direction when...Ch. 5.5 - Find the acceleration of an automobile of mass 100...Ch. 5.5 - Find the acceleration of an automobile of mass...Ch. 5.5 - A truck of mass 13,100 kg is acted upon by a...Ch. 5.5 - A speedboat of mass 30.0 slugs has a 300-lb force...Ch. 5.5 - A truck with a mass of 14,000 kg is pushed with a...Ch. 5.5 - A trailer has a mass of 5000 kg. It is pulled by a...Ch. 5.5 - A refrigeration unit on a job site must be slid...Ch. 5.5 - A light truck of 2000-kg mass has to be pushed...Ch. 5 - Force a. is a vector quantity. b. may be different...Ch. 5 - The metric weight of a 10-lb bag of sugar is...Ch. 5 - Mass and weight a. are the same. b. are different....Ch. 5 - According to Newtons second law, the law of...Ch. 5 - Friction a. always acts parallel to the surface of...Ch. 5 - Cite three examples of forces acting without...Ch. 5 - Using your own words, state Newton's first law,...Ch. 5 - Distinguish between velocity and acceleration.Ch. 5 - When the same force is applied to two different...Ch. 5 - Is 3 lb heavier than 10 N?Ch. 5 - Explain how life would be easier or more difficult...Ch. 5 - Explain how the weight of an astronaut is...Ch. 5 - Explain the difference between action and reaction...Ch. 5 - State Newton's third law of motion, the law of...Ch. 5 - A crate of mass 6.00 kg is moved by a force of...Ch. 5 - An 825-N force is required to pedal a bike with an...Ch. 5 - A block of mass 0.89 slug moves with a force of...Ch. 5 - What is the force necessary for a 2400-kg truck to...Ch. 5 - Two movers push a piano across a frictionless...Ch. 5 - A 340-N box has a frictional force of 57 N. Find...Ch. 5 - A truck pulls a trailer with a frictional force of...Ch. 5 - A steel box is slid along a steel surface. It has...Ch. 5 - A rock of a mass 13.0 kg is dropped from a cliff....Ch. 5 - A projectile has a mass of 0 37 slug. Find its...Ch. 5 - What force is required to produce an acceleration...Ch. 5 - Find the total force necessary to give a 280-kg...Ch. 5 - A force of 175 N is needed to keep a 640 -N...Ch. 5 - A crated garden tractor weighs 375 N. What force...Ch. 5 - Find the acceleration of a forklift of mass 1400...Ch. 5 - What is the weight of a 375-kg air compressor?Ch. 5 - What is the mass of a 405-N welder?Ch. 5 - What is the mass of a 12.0-N hammer?Ch. 5 - Engineers at Boeing developing specs for their...Ch. 5 - The Apollo spacecrafts were launched toward the...Ch. 5 - Kirsten's mass is 373 slugs. Being the physics fan...Ch. 5 - A motorcycle racer travelling at 145 km/h loses...Ch. 5 - The motorcycle and rider are sliding with the same...
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