1/ When a net amount of Work is done on an object (by a non-conservative force),...
1/ When a net amount of Work is done on an object (by a non-conservative force), what is the significance of the sign of the net Work to the change in that object’s Mechanical Energy?
2 /Explain why friction is not a conservative force but the force of gravity is.
Homework Answers
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1/ When a net amount of Work is done on an object (by a
non-conservative force),...
Work Done by the Govtational Force bute the gravitational force G m./r into the integral equation...
Work Done by the Govtational Force bute the gravitational force G m./r into the integral equation on the previous genith Y replacing and find the work done by this force df w is the work done by the gravitational for moves away from t he gravitational force positive, negative, or zero when an object in the Earth? When it moves toward the Earth? When it orbits the Earth in a circle? Part B: Conservative and Non-conservative Forces welop and understorence...
Due Date: 11-21-19 Name: Jcninct pour Activity 7.3 Work Done by Common Forces, Conservative and Non-conservative...
Due Date: 11-21-19 Name: Jcninct pour Activity 7.3 Work Done by Common Forces, Conservative and Non-conservative Forces, Potential and Internal Energy, and the Conservation of Energy 20 Points Text Reference: Ch.7.4-7.7.8.1-8.4.13.6 Part A: Work Done by Common Forces Discussion In this section, the goal is not to find numerical values for the work done by common forces, but to obtain simplified expressions for this work. Often, the magnitudes and directions or components of these common forces are known and unvarying...
7. A non-conservative force does 300 of work on an obiect while the object is rolling...
7. A non-conservative force does 300 of work on an obiect while the object is rolling uphill. During the application of the force the gravitational potential energy of the object increases by 4001 while the rotational kinetic energy decreases by 2001, what is the change in the translational kinetic energy of the object?
Please answer the following 6 questions, Greatly appreciated. 1) When the net force on an object...
Please answer the following 6 questions, Greatly appreciated. 1) When the net force on an object is zero, the object will ? Select one (a) travel in a straight line (b) travel at a constant speed (c) both a and b (d) neither a or b 2) When the net force is zero, the object’s acceleration is____ a____ , and its velocity ___b____ . a) zero / non-zero (circle one) explain your answer. b) is constant / will change (circle...
Calculate the work WAB done by the electrostatic force on a particle of charge q as...
Calculate the work WAB done by the electrostatic force on a
particle of charge q as it moves from A to B. Express your answer
in terms of some or all the variables E, q, L, and ?.
Constants Learning Goal: To review the concept of conservative forces and to understand that electrostatic forces are, in fact, conservative. Calculate the work WAB done by the electrostatic force on a particle of charge q as it moves from A to B....
The object below, with mass M is pulled in the horizontal direction over a flat surface...
The object below, with mass M is pulled in the horizontal
direction over a flat surface for a distance d, whose coefficient
of friction is uk.
2. The object below, with mass Mis pulled in the horizontal direction over a flat surface for a distance d, whose coefficient offriction is HK a. (5 points What is the total work done by friction? b. (5 points What is the change in thermal energy? 3. (5 points If both conservative forces and...
Is it possible to have a non-zero net force on an object that does no work...
Is it possible to have a non-zero net force on an object that does no work on the object? if not, explain why. if so, provide an example.
a Question 1 (10 points) Power is the same as: energy work done - rate of...
a Question 1 (10 points) Power is the same as: energy work done - rate of work done force Save Question 2 (10 points) If non-conservative force is present in an isolated system, is the total mechanical
Problem # 4 The work done on an object by a force F is by definition:...
Problem # 4 The work done on an object by a force F is by definition: rf Suppose the object experiences a force F by i -bx ji where b is constant. 1) Path11 Path 2 Calculate the work done on the object along path 1 from (0, 0) to (0, 1) then (0, 1) to (1, 1) (Hint: Do you know the force components on the path indicated, or a portion thereof)? Repeat for path 2 Make a sketch...
The mechanical energy of an object must change if: The object's kinetic energy is changing There...
The mechanical energy of an object must change if: The object's kinetic energy is changing There is a net non-conservative force acting on the object over some distance More than one non-conservative forces are acting on the object All forces acting on the object are conservative The kinetic and potential energies of the object are changing in opposite ways
Work Done by the Govtational Force bute the gravitational force G m./r into the integral equation on the previous genith Y replacing and find the work done by this force df w is the work done by the gravitational for moves away from t he gravitational force positive, negative, or zero when an object in the Earth? When it moves toward the Earth? When it orbits the Earth in a circle? Part B: Conservative and Non-conservative Forces welop and understorence...
Due Date: 11-21-19 Name: Jcninct pour Activity 7.3 Work Done by Common Forces, Conservative and Non-conservative Forces, Potential and Internal Energy, and the Conservation of Energy 20 Points Text Reference: Ch.7.4-7.7.8.1-8.4.13.6 Part A: Work Done by Common Forces Discussion In this section, the goal is not to find numerical values for the work done by common forces, but to obtain simplified expressions for this work. Often, the magnitudes and directions or components of these common forces are known and unvarying...
7. A non-conservative force does 300 of work on an obiect while the object is rolling uphill. During the application of the force the gravitational potential energy of the object increases by 4001 while the rotational kinetic energy decreases by 2001, what is the change in the translational kinetic energy of the object?
Calculate the work WAB done by the electrostatic force on a
particle of charge q as it moves from A to B. Express your answer
in terms of some or all the variables E, q, L, and ?.
Constants Learning Goal: To review the concept of conservative forces and to understand that electrostatic forces are, in fact, conservative. Calculate the work WAB done by the electrostatic force on a particle of charge q as it moves from A to B....
The object below, with mass M is pulled in the horizontal
direction over a flat surface for a distance d, whose coefficient
of friction is uk.
2. The object below, with mass Mis pulled in the horizontal direction over a flat surface for a distance d, whose coefficient offriction is HK a. (5 points What is the total work done by friction? b. (5 points What is the change in thermal energy? 3. (5 points If both conservative forces and...
a Question 1 (10 points) Power is the same as: energy work done - rate of work done force Save Question 2 (10 points) If non-conservative force is present in an isolated system, is the total mechanical
Problem # 4 The work done on an object by a force F is by definition: rf Suppose the object experiences a force F by i -bx ji where b is constant. 1) Path11 Path 2 Calculate the work done on the object along path 1 from (0, 0) to (0, 1) then (0, 1) to (1, 1) (Hint: Do you know the force components on the path indicated, or a portion thereof)? Repeat for path 2 Make a sketch...
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