a. Explanation Given data: Mass of the box ( m ) is 2.3 kg. Force applied on the ramp to push the box ( F ) is 10 N. Length of the ramp (displacement) ( d ) is 2.0 m. The ramp tilted at an angle of 17 ° to the ground. Speed of the box at the top of the ramp ( v f ) is 0.80 m s . Formula used: Write the expression for work done by the force as follows. W = F d cos θ (1) Here, F is the applied force, θ is the angle between the applied force and the direction of displacement, and d is the displacement. Explanation: From the given data, the applied force is parallel to the ramp and the box is pushed on the ramp towards top side of the ramp. Therefore, the force and the direction of displacements are in same direction. From the analysis, it is clear that, the angle between the applied force and the direction displacement ( θ ) is 0 ° . Calculation of work done by the force: Substitute 10 N for F , 2.0 m for d , and 0 ° for θ in equation (1), W = ( 10 N ) ( 2 b. To determine To find: The change in the kinetic energy of the system. c. To determine To find: The change in the gravitational potential energy of the system. d. To determine To find: The change in the thermal energy of the system.

College Physics: A Strategic Approach (3rd Edition)

3rd Edition

ISBN: 9780321879721

Author: Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field

Publisher: PEARSON

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.

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Chapter 10, Problem 54GP

To determine

To find: The work done by the force on the system.

To determine

To find: The change in the kinetic energy of the system.

To determine

To find: The change in the gravitational potential energy of the system.

To determine

To find: The change in the thermal energy of the system.

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Chapter 10, Problem 53GP

Chapter 10, Problem 55GP

Chapter 10 Solutions

College Physics: A Strategic Approach (3rd Edition)

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The work done by the force on the system.

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To find: The work done by the force on the system.

To find: The change in the kinetic energy of the system.

To find: The change in the gravitational potential energy of the system.

To find: The change in the thermal energy of the system.

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Chapter 10 Solutions