A double-decker bicycle rack made up of square steel tubing is fixed at A (figure a). The weight of a bicycle is represented as a point load applied at B on a plane frame model of the rack (figure b). (a)Find the state of plane stress on an element C located on the surface at the left side of the vertical tube at the base A. Include the weight of the framing system. (Assume weight density y = 77 kN/m .) (b) Find the maximum shear stresses on an element at C and show them on a sketch of a properly oriented element. Assume that element C is a sufficient distance from support A so that stress concentration effects are negligible
A double-decker bicycle rack made up of square steel tubing is fixed at A (figure a). The weight of a bicycle is represented as a point load applied at B on a plane frame model of the rack (figure b). (a)Find the state of plane stress on an element C located on the surface at the left side of the vertical tube at the base A. Include the weight of the framing system. (Assume weight density y = 77 kN/m .) (b) Find the maximum shear stresses on an element at C and show them on a sketch of a properly oriented element. Assume that element C is a sufficient distance from support A so that stress concentration effects are negligible
Solution Summary: The author analyzes the plane stress values on an element C located on the surface at the left side of the vertical tube.
A double-decker bicycle rack made up of square steel tubing is fixed at A (figure a). The weight of a bicycle is represented as a point load applied at B on a plane frame model of the rack (figure b).
(a)Find the state of plane stress on an element C located on the surface at the left side of the vertical tube at the base A. Include the weight of the framing system. (Assume weight density y = 77 kN/m .)
(b) Find the maximum shear stresses on an element at C and show them on a sketch of a properly oriented element.
Assume that element C is a sufficient distance from support A so that stress concentration effects are negligible
Mych
CD
36280 kg.
0.36
givens
Tesla truck frailer 2017 Model
Vven
96154kph
ronge
804,5km
Cr
Powertrain
Across
PHVAC
rwheel
0.006
0.88
9M²
2
2kW
0.55M
ng
Zg
Prated
Trated
Pair
20
0.95
1080 kW
1760 Nm
1,2
determine the battery energy required to meet the
range when fully loaded
determine the approximate time for the fully-loaded
truck-trailor to accelerate from 0 to 60 mph while
Ignoring vehicle load forces
12-217. The block B is sus-
pended from a cable that is at-
tached to the block at E, wraps
around three pulleys, and is tied to
the back of a truck. If the truck
starts from rest when ID is zero,
and moves forward with a constant
acceleration of ap = 0.5 m/s²,
determine the speed of the block at
D
the instant x = 2 m. Neglect
the size of the pulleys in the calcu-
lation. When xƊ = 0, yc = 5 m,
so that points C and D are at the
Prob. 12-217
5 m
yc
=2M
Xp
solve both and show matlab code
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Chapter 8 Solutions
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