(a) Explanation The car moves with an acceleration under the action of a force. This motion of the car is related by the newton’s second law of motion. Write the expression for the static equilibrium of the car for initial case as. F = m a Rearrange the above equation for a . a = F m (I) Here, F is the net force acting on the car, m is the mass of the car and a is the acceleration of the car. Case 1: Since, the net horizontal force acting on the car is increased by making the changes in the engine; there will be a change in the acceleration of the car. Write the expression for the new horizontal force acting on the car as. F 1 = F + ( 24 % of F ) = F + ( 24 100 F ) Simplify the above equation. F 1 = 1.24 F (II) Here, F 1 is the new horizontal force on the car. Write the expression for the new acceleration of the car under the action of force. a 1 = F 1 m (III) Here, a 1 is the new acceleration of the car (b) To determine The acceleration after changing the mass as well as the force.

Physics for Scientists and Engineers with Modern Physics, Technology Update

9th Edition

ISBN: 9781305401969

Author: SERWAY, Raymond A.; Jewett, John W.

Publisher: Cengage Learning

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Chapter 5, Problem 73AP

(a)

To determine

The change which results in greater increase in the acceleration.

(b)

To determine

The acceleration after changing the mass as well as the force.

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Chapter 5, Problem 72AP

Chapter 5, Problem 74AP

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Chapter 5 Solutions

Physics for Scientists and Engineers with Modern Physics, Technology Update

Ch. 5.2 - Which of the following statements is correct? (a)...Ch. 5.4 - An object experiences no acceleration. Which of...Ch. 5.4 - You push an object, initially at rest, across a...Ch. 5.5 - Suppose you are talking by interplanetary...Ch. 5.6 - (i) If a fly collides with the windshield of a...Ch. 5.8 - You press your physics textbook flat against a...Ch. 5.8 - Prob. 5.7QQ Ch. 5 - The driver of a speeding empty truck slams on the...Ch. 5 - In Figure OQ5.2, a locomotive has broken through...Ch. 5 - Prob. 3OQ

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Figure P5.15 shows a worker poling a boata...Ch. 5 - An iron bolt of mass 65.0 g hangs from a string...Ch. 5 - Prob. 27P Ch. 5 - The systems shown in Figure P5.28 are in...Ch. 5 - Prob. 29P Ch. 5 - A block slides down a frictionless plane having an...Ch. 5 - The distance between two telephone poles is 50.0...Ch. 5 - A 3.00-kg object is moving in a plane, with its x...Ch. 5 - A bag of cement weighing 325 N hangs in...Ch. 5 - A bag of cement whose weight is Fg hangs in...Ch. 5 - Prob. 35P Ch. 5 - Prob. 36P Ch. 5 - An object of mass m = 1.00 kg is observed to have...Ch. 5 - Prob. 38P Ch. 5 - Prob. 39P Ch. 5 - An object of mass m1 = 5.00 kg placed on a...Ch. 5 - Prob. 41P Ch. 5 - Two objects are connected by a light string that...Ch. 5 - Prob. 43P Ch. 5 - Prob. 44P Ch. 5 - In the system shown in Figure P5.23, a horizontal...Ch. 5 - An object of mass m1 hangs from a string that...Ch. 5 - A block is given an initial velocity of 5.00 m/s...Ch. 5 - A car is stuck in the mud. 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The change which results in greater increase in the acceleration.

Solution Summary: The author explains that the increase in acceleration is due to removing of the mass, which is related by the newton’s second law of motion.

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The change which results in greater increase in the acceleration.

The acceleration after changing the mass as well as the force.

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Chapter 5 Solutions