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0 votes
1 answer
42 views

Do rigid bodies experience work greater than or equal to that of point particles?

Consider the following two scenarios in outer space: A yo-yo whose string is pulled by a constant force. The same yo-yo as before although this time, the string is fully unwound and attached to the ...
greatscissors's user avatar
0 votes
2 answers
75 views

Is the value of the work done by the forces acting on a rigid body frame dependent?

I was going through the definition of "Work of Forces Acting on a Rigid Body" in Wikipedia . Here they have mentioned that work done can be calculated by taking any reference point on the ...
Tony Stark's user avatar
  • 1,568
0 votes
0 answers
36 views

Work and mechanical energy relationship for a rigid body

For a single particle in a conservative field, I know that the work done by an external non conservative force $W_n=\Delta M$ where $\Delta M$ is the total mechanical energy. Is the same true for an ...
Kashmiri's user avatar
  • 1,260
7 votes
1 answer
2k views

A Question about Virtual Work related to Newton's Third Law

In describing d'Alembert's principle, the lecture note I was provided with states that the total force $\mathbb F_l$ acting on a particle can be taken as, $$\mathbb F_l=F_l+\sum_mf_{ml}+C_l,$$ where $...
Webfarer Escape's user avatar