An Introduction to Physical Science
14th Edition
ISBN: 9781305079137
Author: James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher: Cengage Learning
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Textbook Question
Chapter 3, Problem 4SA
An old party trick is to pull a tablecloth out from under dishes and glasses on a table. Explain how this trick is done without pulling the dishes and glasses with the cloth.
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Students have asked these similar questions
A ladder at rest is leaning against a wall at an angleas shown below.
Which of the following forces must have the same magnitude as the frictional force exerted on the ladder by the floor?
a
The force of gravity on the ladder
b
The normal force exerted on the ladder by the wall
c
The normal force exerted on the ladder by the floor
d
The frictional force exerted on the ladder by the wall
Why it is easier to open a door if you pull perpendicularly to
the door instead of pulling at an angle?
What is the horizontal component of the force F that the wall exerts
on the plank?
Q 1900 N
O −1100 N
O1400 N
O −3600 N
Chapter 3 Solutions
An Introduction to Physical Science
Ch. 3.1 - Does a force always produce motion?Ch. 3.1 - What is the condition for motion when more than...Ch. 3.2 - If you were moving with a constant velocity in...Ch. 3.2 - How can the inertias of objects be compared?Ch. 3.3 - How are force and motion related?Ch. 3.3 - Which is generally greater, static friction or...Ch. 3.3 - Prob. 3.1CECh. 3.3 - On the surface of Mars, the acceleration due to...Ch. 3.4 - Whats the difference between an action and a...Ch. 3.4 - Prob. 2PQ
Ch. 3.5 - What keeps the Moon in orbit around the Earth?Ch. 3.5 - Prob. 2PQCh. 3.5 - Prob. 3.3CECh. 3.6 - Prob. 1PQCh. 3.6 - Prob. 2PQCh. 3.7 - When is the linear momentum of a system conserved?Ch. 3.7 - Prob. 2PQCh. 3.7 - Suppose you were not given the values of the...Ch. 3.7 - Prob. 3.5CECh. 3 - KEY TERMS 1. force (3.1) 2. unbalanced, or net,...Ch. 3 - KEY TERMS 1. force (3.1) 2. unbalanced, or net,...Ch. 3 - KEY TERMS 1. force (3.1) 2. unbalanced, or net,...Ch. 3 - KEY TERMS 1. force (3.1) 2. unbalanced, or net,...Ch. 3 - KEY TERMS 1. force (3.1) 2. unbalanced, or net,...Ch. 3 - Prob. FMCh. 3 - Prob. GMCh. 3 - Prob. HMCh. 3 - Prob. IMCh. 3 - Prob. JMCh. 3 - Prob. KMCh. 3 - Prob. LMCh. 3 - Prob. MMCh. 3 - KEY TERMS 1. force (3.1) 2. unbalanced, or net,...Ch. 3 - KEY TERMS 1. force (3.1) 2. unbalanced, or net,...Ch. 3 - Prob. PMCh. 3 - Prob. QMCh. 3 - KEY TERMS 1. force (3.1) 2. unbalanced, or net,...Ch. 3 - Prob. SMCh. 3 - A net force ___. (3.1) (a) can produce motion (b)...Ch. 3 - What is a possible state of an object in the...Ch. 3 - What term refers to the tendency of an object to...Ch. 3 - A net force can produce ___. (3.3) (a) an...Ch. 3 - According to Newtons second law of motion, when an...Ch. 3 - Mass is related to an objects ___. (3.3) (a)...Ch. 3 - Prob. 7MCCh. 3 - Which is true of the force pair of Newtons third...Ch. 3 - Which is true about the acceleration due to...Ch. 3 - What is true about the constant G? (3.5) (a) It is...Ch. 3 - A childs toy floats in a swimming pool. The...Ch. 3 - If a submerged object displaces an amount of...Ch. 3 - If a submerged object displaces a volume of liquid...Ch. 3 - A change in linear momentum requires which of the...Ch. 3 - Angular momentum is conserved in the absence of...Ch. 3 - A force is a quantity that is ___ of producing...Ch. 3 - Forces are ___ quantities. (3.1)Ch. 3 - Prob. 3FIBCh. 3 - Prob. 4FIBCh. 3 - The inertia of an object is related to its ___....Ch. 3 - Prob. 6FIBCh. 3 - Prob. 7FIBCh. 3 - Prob. 8FIBCh. 3 - Prob. 9FIBCh. 3 - Prob. 10FIBCh. 3 - Prob. 11FIBCh. 3 - Milk is ___ dense than the cream that floats on...Ch. 3 - The total linear momentum is not conserved if...Ch. 3 - Prob. 14FIBCh. 3 - Prob. 1SACh. 3 - Prob. 2SACh. 3 - Consider a child holding a helium balloon in a...Ch. 3 - An old party trick is to pull a tablecloth out...Ch. 3 - Prob. 5SACh. 3 - When a paper towel is torn from a roll on a rack,...Ch. 3 - It is said that Newtons first law can be derived...Ch. 3 - Can an object be at rest if forces are being...Ch. 3 - Prob. 9SACh. 3 - What is the unbalanced force acting on a moving...Ch. 3 - The coefficient of kinetic friction is generally...Ch. 3 - A 10-lb rock and a 1-lb rock are dropped...Ch. 3 - When a rocket blasts off, is it the fiery exhaust...Ch. 3 - There is an equal and opposite reaction for every...Ch. 3 - When a person pushes on a wall, the wall pushes on...Ch. 3 - Two masses are attached to a spring scale as shown...Ch. 3 - Prob. 17SACh. 3 - The gravitational force is said to have an...Ch. 3 - Explain why the acceleration due to gravity on the...Ch. 3 - An astronaut has a mass of 70 kg when measured on...Ch. 3 - Prob. 21SACh. 3 - In Chapter 1.6 in the discussion of the...Ch. 3 - What is a major consideration in constructing a...Ch. 3 - Prob. 24SACh. 3 - Prob. 25SACh. 3 - Is it easier for a large person to float in a lake...Ch. 3 - Prob. 27SACh. 3 - Prob. 28SACh. 3 - Explain how the conservation of linear momentum...Ch. 3 - Prob. 30SACh. 3 - When a high diver in a swimming event springs from...Ch. 3 - Visualize the connections for the descriptions of...Ch. 3 - Astronauts walking on the Moon are seen bounding...Ch. 3 - A person places a bathroom scale in the center of...Ch. 3 - Prob. 3AYKCh. 3 - Prob. 4AYKCh. 3 - In a washing machine, water is extracted from...Ch. 3 - When you push on a heavy swinging door to go into...Ch. 3 - When unable to loosen the lug nut on an automobile...Ch. 3 - What is the net force of a 5.0-N force and an...Ch. 3 - A horizontal force of 250 N is applied to a...Ch. 3 - Determine the net force necessary to give an...Ch. 3 - A force of 2.1 N is exerted on a 7.0-g rifle...Ch. 3 - A 1000-kg automobile is pulled by a horizontal tow...Ch. 3 - A 6.0-N net force is applied to a 15-kg object....Ch. 3 - What is the weight in newtons of a 6.0-kg package...Ch. 3 - What is the force in newtons acting on a 4.0-kg...Ch. 3 - (a) What is the weight in newtons of a 120-lb...Ch. 3 - A 75-kg person is standing on a scale in an...Ch. 3 - Two 3.0-kg physical science textbooks on a...Ch. 3 - (a) What is the force of gravity between two...Ch. 3 - How would the force of gravity between two masses...Ch. 3 - The separation distance between two 1.0-kg masses...Ch. 3 - (a) Determine the weight on the Moon of a person...Ch. 3 - Suppose an astronaut has landed on Mars. Fully...Ch. 3 - A childs cubic play block has a mass of 120 g and...Ch. 3 - A ball with a radius of 8.00 cm and a mass of 600...Ch. 3 - Calculate the linear momentum of a pickup truck...Ch. 3 - A small car with a mass of 900 kg travels...Ch. 3 - Two ice skaters stand together as illustrated in ...Ch. 3 - For the couple in Fig. 3.28, suppose you were told...Ch. 3 - A comet goes around the Sun in an elliptical...Ch. 3 - Taking the density of air to be 1.29 kg/m3, what...
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- To get up on the roof, a person (mass 70.0 kg) places a 6.00-m aluminum ladder (mass 10.0 kg) against the house on a concrete pad with the base of the ladder 2.00 m from the house. The ladder rests against a plastic rain gutter, which we can assume to be frictionless. The center of mass of the ladder is 2 m from the bottom. The person is standing 3 m from the bottom. What are the magnitudes of the forces on the ladder at the top and bottom?arrow_forwardA telephone pole is supported by a guy wire which exerts a pull of 300 N on the top of the pole. If the angle between the wire the pole is 60 degrees, what is the vertical component of the pull on the pole?arrow_forwardTwo children push on opposite sides of a door during play. Both push horizontally and perpendicular to the surface of the door. One child pushes with a force of 17 N at a distance of 0.585 m from the hinges, and the second child pushes at a distance of 0.465 m. What is the magnitude of the force, in newtons, the second child must exert to keep the door from moving? Assume friction is negligible. F2=arrow_forward
- Why is it possible to drive a nail into a piece of wood with a hammer, but it is not possible to push a nail in by hand?arrow_forwardConsider a method for measuring the mass of a person’s arm in anatomical studies. The subject lies on her back, extends her relaxed arm to the side and two scales are placed below the arm. One is placed under the elbow and the other under the back of her hand. Construct a problem in which you calculate the mass of the arm and find its center of mass based on the scale readings and the distances of the scales from the shoulder joint. You must include a free body diagram of the arm to direct the analysis. Consider changing the position of the scale under the hand to provide more information, if needed. You may wish to consult references to obtain reasonable mass values.arrow_forwardExample 1: The screw in Figure (a) is subjected to two forces, F1 and F2. Determine the magnitude and direction of the resultant force. 10 F-150 N 150 N 115 -1000 N 10 15 FR 150 360-2(65) 115 2. 115 100 N 100 N 15 115 90 25-65 (c) (b)arrow_forward
- = For the next three items: A 200 kg plank is projecting a distance L = 5.0 m from a wall which is held steadily by a string that is connected to it at an angle 30° from the horizontal. The plank is actually fasted to the wall where an unknown force is exerted on the plank by the wall. If a 60 kg mass is placed on the plank at a distance d = 1.0 m, find the tension force on the string. Ө d L-arrow_forwardYour and your friend are going on a hike and your friend accidentally falls into a well. You have two options to help him get up to the top. The well is 15m in height.The first option is to tie a rope at the top and throw the other end down to him so he can climb up the rope.The second option is to put the rope over a pulley and have him pull himself up. One end of the rope is tied to your friend and at the other end his hands will help pull him up.The maximum tension that the rope can withstand is 700N before it breaks. Your friend has a mass of 70kg. The pulley is fixed and not moving.a) Which method will get him up the well the fastest without breaking the rope, option 1 or option 2? (hint: figure out the maximum acceleration without breaking the rope)b) How much time will it take him to get up with option 1 ? c) How much time will it take him to get up with option 2?arrow_forwardTwo friends are carrying a 500 N wooden slab along a 45 degrees stairway. The slab is 1.0 m long and 0.40 m high. They each apply vertical upward force (black arrows) on the bottom edges of the box in such a way that the box remains parallel to the stairs as shown in the figure. What are the magnitudes of theforces exerted by the lower and higher friend, respectively?arrow_forward
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