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Determine the forces in the pistons of a hydraulicly operated excavator.
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England schools
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England university
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Scotland schools
Taxonomy: mathcentre
Taxonomy: Kind of activity
Taxonomy: Context
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said | Ready to use | 5 years, 9 months ago |
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William Haynes 5 years, 9 months ago
Gave some feedback: Ready to use
William Haynes 5 years, 10 months ago
Gave some feedback: Needs to be tested
William Haynes 5 years, 10 months ago
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William Haynes 6 years, 3 months ago
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William Haynes 6 years, 3 months ago
Created this as a copy of Machine: lopping shears.Name | Status | Author | Last Modified | |
---|---|---|---|---|
Machine: lopping shears | Ready to use | William Haynes | 10/12/2022 21:16 | |
Evan Kurnia's copy of Machine: lopping shears | draft | Evan Kurnia Alim | 22/11/2018 03:08 | |
Machine: Excavator | Ready to use | William Haynes | 10/12/2022 21:15 |
There are 2 other versions that do you not have access to.
Name | Type | Generated Value |
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Name | Type | Generated Value |
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L | quantity |
quantity(0.4, "m")
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x1 | quantity |
quantity(0.6, "m")
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x2 | quantity |
quantity(1.7, "m")
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||||
x3 | quantity |
quantity(1.05, "m")
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||||
x4 | quantity |
quantity(2.9, "m")
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||||
x5 | quantity |
quantity(0.35, "m")
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||||
x6 | quantity |
quantity(2.3, "m")
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||||
y1 | quantity |
quantity(0.5, "m")
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||||
y2 | quantity |
quantity(1.7, "m")
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||||
y3 | quantity |
quantity(0.5, "m")
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||||
y4 | quantity |
quantity(0.4, "m")
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||||
y5 | quantity |
quantity(0.95, "m")
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||||
y6 | quantity |
quantity(3.75, "m")
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load | quantity |
quantity(18, "kN")
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units | list |
[ "kN", "m", "5 cm" ]
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x_t | quantity |
quantity(8.9, "m")
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dperp_B | quantity |
quantity(0.780494751373, "m")
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BC | quantity |
quantity(205.254423195268996944432575869721190733, "kN")
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||||
dperp_D | quantity |
quantity(0.9889131617792621, "m")
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||||
DE | quantity |
quantity(41.86414095805209088761668907096783483854, "kN")
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Name | Type | Generated Value |
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theta_b | number |
52.3057595333
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||||
theta_d | number |
7.853313302
|
Name | Type | Generated Value |
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Generated value: quantity
This variable doesn't seem to be used anywhere.
Gap-fill
Ask the student a question, and give any hints about how they should answer this part.
The motion of the excavator is controled by three hydraulic cylinders. Determine the force exerted by cylinders BC and DE when supporting a {load} downward vertical load at G. Neglect the weights of the parts.
BC =
DE =
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