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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Chapter 3, Problem 2SA
To determine
Difference between a net force and an unbalanced force.
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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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- In a television commercial, a small, spherical bead of mass 4.00 g is released from rest at t=0in a bottle of liquid shampoo. The terminal speed is observed to be 2.00 cm/s. Find (a) the value of the constant bin the equation v=mgb(1ebt/m), and (b) the value of the resistive force when the bead reaches terminal speed.arrow_forwardShow that the acceleration of any object down an incline where friction behaves simply (that is, where fk=kN ) is a=g(sinkcos). Note that the acceleration is independent of mass and reduces to the expression found in the previous problem when friction becomes negligibly small (k=0).arrow_forwardA large crate of mass m is placed on the flatbed of a truck but not tied down. As the truck accelerates forward with acceleration a, the crate remains at rest relative to the truck. What force causes the crate to accelerate? (a) the normal force (b) the gravitational force (c) the friction force (d) the ma force exerted by the crate (e) No force is required.arrow_forward
- Consider Figure 5.28. The driver attempts to get the car out of the mud by exerting a perpendicular force of 610.0 N, and the distance she pushes in the middle of the rope is 1.00 m while she stands 6.00 m away from the car on the left and 6.00 m away from the tree on the right. What is the tension Tin the rope, and how do you find the answer?arrow_forwardThe two barges shown here are coupled by a cable of negligible mass. The mass of the front barge is 2.00103kgand the mass of the rear barge is 3.00103kg . A tugboat pulls the front barge with a horizontal force of magnitude 20.0103N . and the frictional forces of the water on the front and rear barges are 8.00103Nand 10.0103N . respectively. Find the horizontal acceleration of the barges and the tension in the connecting cable.arrow_forwardA skater of mass 45.0 kg standing on ice throws a stone of mass 7.65 kg with a speed of 20.9 m/s in a horizontal direction. Find the distance over which the skater will move in the opposite direction if the coefficient of kinetic friction between the skater and the ice is 0.03.arrow_forward
- A 3.00-kg object undergoes an acceleration given by a=(2.00i+5.00j)m/s2. Find (a) the resultant force acting on the object and (b) the magnitude of the resultant force.arrow_forwardWhy does an ordinary rifle recoil (kick backward) when fired? The barrel of a recoilless rifle is open at both ends. Describe how Newton's third law applies when one is fired. Can you safely stand close behind one when it is fired?arrow_forwardDescribe a situation in which the net external force on a system is not zero, yet its speed remains constant.arrow_forward
- Check Your Understanding One end of a 3.0-m rope is tied to a tree; the other, end is tied to a car stuck in the mud. The motorist pulls sideways on the midpoint of the rope, displacing it a distance of 0.25 m. If he exerts a force of 200.0 N under these conditions, determine the force exerted on the car.arrow_forwardIf you lower the window on a car while moving, an empty plastic bag can sometimes fly out the window. Why does this happen?arrow_forwardGive a detailed example of the exchange of a particle can result in an attractive force. (For example, consider one child pulling a toy another.)arrow_forward
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