- #1

sfgradv

- 16

- 0

I need to find Tension. I have a problem getting the formula for this question. Can someone please help me? Thanks!

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- Thread starter sfgradv
- Start date

- #1

sfgradv

- 16

- 0

I need to find Tension. I have a problem getting the formula for this question. Can someone please help me? Thanks!

- #2

Doc Al

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- #3

sfgradv

- 16

- 0

Is it F = T-mg=ma?

- #4

Doc Al

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Exactly right.

- #5

sfgradv

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- #6

Doc Al

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g = 9.8 m/s^2; the negative sign is already in the formula by putting the weight as "-mg".

- #7

sfgradv

- 16

- 0

What if the acceleration is downwards? Would it be T = mg - ma?

Does anyone know?

Does anyone know?

Last edited:

- #8

Doc Al

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That's correct.sfgradv said:What if the acceleration is downwards? Would it be T = mg - ma?

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