ctivity WORK AND POWER I. Theory: The concepts of work provide a convenient means of analyzing an object or system of objects moving between an initial and final state. Basically, work is defined as the product of force and distance. To express that mathematically these are w = Fx d or w = m x g xh When work is done upon an object by an external force, the total mechanical energy (KE + PE) of that object is changed. If the work is "positive work", then the object will gain energy. If the work is "negative work", then the object will lose energy. The gain or loss in energy can be in the form of potential energy, kinetic energy, or both. Under such circumstances, the work which is done will be equal to the change in mechanical energy of the object. In this experiment, we will utilize the concept of work by applying it to a student performing this experiment. A diagram below illustrates how the work is being utilized. Figure 12.1 Diagram of ladder
ctivity WORK AND POWER I. Theory: The concepts of work provide a convenient means of analyzing an object or system of objects moving between an initial and final state. Basically, work is defined as the product of force and distance. To express that mathematically these are w = Fx d or w = m x g xh When work is done upon an object by an external force, the total mechanical energy (KE + PE) of that object is changed. If the work is "positive work", then the object will gain energy. If the work is "negative work", then the object will lose energy. The gain or loss in energy can be in the form of potential energy, kinetic energy, or both. Under such circumstances, the work which is done will be equal to the change in mechanical energy of the object. In this experiment, we will utilize the concept of work by applying it to a student performing this experiment. A diagram below illustrates how the work is being utilized. Figure 12.1 Diagram of ladder
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![Activity No. 6
WORK AND POWER
I. Theory:
The concepts of work provide a convenient means of analyzing an object or system of
objects moving between an initial and final state. Basically, work is defined as the product of
force and distance. To express that mathematically these are
w = F x d or
w = m x g x h
When work is done upon an object by an external force, the total mechanical energy (KE
+ PE) of that object is changed. If the work is "positive work", then the object will gain
energy. If the work is "negative work", then the object will lose energy. The gain or loss in
energy can be in the form of potential energy, kinetic energy, or both. Under such
circumstances, the work which is done will be equal to the change in mechanical energy of
the object.
In this experiment, we will utilize the concept of work by applying it to a student
performing this experiment. A diagram below illustrates how the work is being utilized.
dup
Figure 12.1 Diagram of ladder](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe95c50d0-e0ed-4459-b7a5-372df3c0aa46%2F7a89337d-06d5-498b-8e30-98350953664a%2Fgbpo9n6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Activity No. 6
WORK AND POWER
I. Theory:
The concepts of work provide a convenient means of analyzing an object or system of
objects moving between an initial and final state. Basically, work is defined as the product of
force and distance. To express that mathematically these are
w = F x d or
w = m x g x h
When work is done upon an object by an external force, the total mechanical energy (KE
+ PE) of that object is changed. If the work is "positive work", then the object will gain
energy. If the work is "negative work", then the object will lose energy. The gain or loss in
energy can be in the form of potential energy, kinetic energy, or both. Under such
circumstances, the work which is done will be equal to the change in mechanical energy of
the object.
In this experiment, we will utilize the concept of work by applying it to a student
performing this experiment. A diagram below illustrates how the work is being utilized.
dup
Figure 12.1 Diagram of ladder
![TABLE 2: SUMMARY OF DATA:
Person 1
Person 2
Person 3
Person 4
Person 5
Weight of the person (N=kg x 9.8m/s) 931 N
Time to climb the building (s)
Number of steps
Height from the ground floor to the
second level (m)
Work done (J)=Fx d
Power output (W)=J/s
519.4 N
456.8
568.4 N
931 N
9.25s
9.86s
9.78s
8.53s
8.87s
14
14
14
14
14
133m
133m
133m
133m
133m
69,080.2 J
7,006.1 N
63,866.6 J
75,597.2 J
59,956.4 J
6,130.5 N
121,216.2 J
6,904 N
8,862.51 N
13,513.5 N](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe95c50d0-e0ed-4459-b7a5-372df3c0aa46%2F7a89337d-06d5-498b-8e30-98350953664a%2Fjh24b4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:TABLE 2: SUMMARY OF DATA:
Person 1
Person 2
Person 3
Person 4
Person 5
Weight of the person (N=kg x 9.8m/s) 931 N
Time to climb the building (s)
Number of steps
Height from the ground floor to the
second level (m)
Work done (J)=Fx d
Power output (W)=J/s
519.4 N
456.8
568.4 N
931 N
9.25s
9.86s
9.78s
8.53s
8.87s
14
14
14
14
14
133m
133m
133m
133m
133m
69,080.2 J
7,006.1 N
63,866.6 J
75,597.2 J
59,956.4 J
6,130.5 N
121,216.2 J
6,904 N
8,862.51 N
13,513.5 N
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