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Anonymous users2024-02-073.Your major:
Computer Art.
4.Do you know how to ride a bike? a.Yes.
5.The category of your bike: cMountain.
6.How do you usually know about bicycles: aForum BClassmate CSelf-study 7Usual car use: g tool.
8.How do you usually know about bicycles: a
Forum BClassmate CSelf-study 9
Do you agree that cycling is good for your physical and mental health? a.Agree 10
What are the environmental impacts of used bicycles? a.Bicycle affects aesthetics b
Bicycles take up a lot of space cDiscarded bicycles pollute the environment.
11.Do you think bicycles are prone to traffic problems: cSo so.
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Anonymous users2024-02-06Questionnaire about bicycles.
1.Age: 17
2.Gender: aMan.
3.Your major: IT
4.Do you know how to ride a bike? a.Yes.
5.The category of your bike:
6.How do you usually know about bicycles: cSelf-study.
7.The usual purpose of the car:
e.Play stunt fBurn accessories.
8.How do you usually know about bicycles: a cSelf-study.
9.Do you agree that cycling is good for your physical and mental health? a.Agree 10What do you think are the environmental impact of bicycles? I do not choose it.
11.Do you think bicycles are prone to traffic problems: cSo so.
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Anonymous users2024-02-052.Man. 3.Computer.
4.Yes. 5.Mountain.
6.Forum Club.
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Anonymous users2024-02-042.Man. 3.Computer.
4.Yes. I don't think the bike makes a difference.
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Anonymous users2024-02-031.(a) How many times per week do you use a public bike on average? C
a.There is no bHardly c
Occasionally dRegularly 3(a) Have you ever damaged a public bike?
a.There is no bThere are 4
Not yet, because you have How much convenience do you think public bicycles can bring you? a.A lot of b
More cGeneral DLess e.
There is no 5Would you rather use a public bike? (Willing to go out) a
Willing bOk cNot very willing D
Unwillingness 6Which of the following types of bicycle damage have you encountered (c)aFoot pedal damage b
Chain damage cFlat tire dSeat cushion damage e
Damage to the plastic plates on both sides of the bicycle wheel fOther 7Do you have any comments or suggestions for public bikes?
This question can be answered optionally) (it is very convenient for travel).
There are two very small adjusting screws on the V brake arm (not on the brake skin), and the tightening will be stretched outward (that is, if the left one is grinding to the circle, tighten the screw of the left V brake arm) If it is adjusted, then adjust the brake skin, because your brake has been biased, and the brake skin on one side may be worn, just adjust it a little (it is not difficult to adjust the brake skin, but be patient, and it will be slowly). >>>More
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Merida has a Warrior level, Warrior 550
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You're right, don't care what everyone says.
Rolling is a compound motion of translation and rotation, therefore, when judging by the composite mode, the direction of friction caused by translation is opposite to the direction of rolling; The direction of the frictional force caused by the rotational action is the same as the direction of rolling. The rear wheel of the bicycle is a compound motion caused by turning, so the direction of friction is the same as the direction of rolling; The front wheel is a compound motion caused by translational motion, so the direction of friction is opposite to the direction of rolling. When not pedaling, due to inertia, the two wheels still maintain their original motion state. >>>More
National Day cross talk, be short, to be suitable for primary school students, it must be short. >>>More