HW4 Prob3

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Question statement

A $\var{W}\,\text{N}$ crate is supported by several rope-and-pulley arrangements as shown. Determine for each arrangement the tension in the rope (in N).

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			Name	Type	Generated Value

integer

336

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Generated value: `integer`

336

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Advice
"Part a)" - Minimum accepted value
"Part a)" - Maximum accepted value
"Part b)" - Minimum accepted value
"Part b)" - Maximum accepted value
"Part c)" - Minimum accepted value
"Part c)" - Maximum accepted value
"Part d)" - Minimum accepted value
"Part d)" - Maximum accepted value
"Part e)" - Minimum accepted value
"Part e)" - Maximum accepted value

Advice

(a)

$+\!\!\uparrow\sum F_y=0$ : $\quad$ $2T+W=0,$ $\quad\Rightarrow\quad$ $2T=\var{W}\,\text{N},$ $\quad\Rightarrow\quad$ $T=\var{W/2}\,\text{N}\quad\blacktriangleleft$

(b) Same as (a)

(c)

$+\!\!\uparrow\sum F_y=0$ : $\quad$ $3T+W=0,$ $\quad\Rightarrow\quad$ $3T=\var{W}\,\text{N},$ $\quad\Rightarrow\quad$ $T=\var{W/3}\,\text{N}\quad\blacktriangleleft$

(d) Same as (c)

(e)

$+\!\!\uparrow\sum F_y=0$ : $\quad$ $4T+W=0,$ $\quad\Rightarrow\quad$ $4T=\var{W}\,\text{N},$ $\quad\Rightarrow\quad$ $T=\var{W/4}\,\text{N}\quad\blacktriangleleft$

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This question is used in the following exam:

Homework 4 + Solutions by Vladimir Vingoradov in SFY0010.

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Vladimir Vingoradov 4 years, 4 months ago

Vladimir Vingoradov 7 years, 4 months ago

Vladimir Vingoradov 7 years, 5 months ago

Error in variable testing condition

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Generated value: `integer`

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Number entry

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HW4 Prob3

Metadata

Taxonomy: mathcentre

Taxonomy: Kind of activity

Taxonomy: Context

Contributors

Feedback

History

Comment

Checkpoint description

Vladimir Vingoradov 4 years, 4 months ago

Vladimir Vingoradov 7 years, 4 months ago

Vladimir Vingoradov 7 years, 5 months ago

Error in variable testing condition

Error

Warning

Generated value: integer

Parts

Number entry

Advanced settings

Generated value: `integer`