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How to design this such that constant force is provided? Watch

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    Given that:

    Work done = Fs + Fr \theta = F (s + r \theta) = Fs + T \theta

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    Using the laws of motion that a constant force will produce a constant acceleration when acting on an object, then within limits it will work.

    However, your diagram does have a few violations to statement:

    Is gravity constant?

    What about friction? Is there only one friction you need to worry about? Will friction alter when the object heats up? etc.
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    (Original post by uberteknik)
    Using the laws of motion that a constant force will produce a constant acceleration when acting on an object, then within limits it will work.

    However, your diagram does have a few violations to statement:

    Is gravity constant?

    What about friction? Is there only one friction you need to worry about? Will friction alter when the object heats up? etc.
    It's just a simple system.

    It has constant gravitational acceleration and heat produced by friction and change in friction is negligible.

    In what limits will this sytem have constant Force?

    It's not my diagram - it's a snapshot from one of our linear dynamics handouts.
 
 
 
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