單秋成靜力小考 ch.123

[booster (βοο∫τεγ￾N￾NN)]

打成檔案以饗學弟妹
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part one 50% (註:選擇可能有複選)

1.cm,km,g are fundamental units of the Systeme International d'Unites(SI).
(true or false)

2.Addition of two bound(fixed) vector can be easily carried out using the
triangle rule or the rectangular components.(true or false)

3.The first person to successfully refuted the Aristotelian theory that
heavy bodies fall faster than light bodies do was (A)Issac Newton,
(B)Leonardo da Vincci, (C)Galileo Galilei.

4.Which of the fallowing is a specail case of Newton's second law of motion
(A)Newton's first law, (B)Newton's third law, (C)Archimedes' principle of
lever.

5.In Statics analysis, a PARTICLE is a body (A)physically very small with
zero dimension, (B)its size has no consequence on its responce to the external
forces, (C)its rotation can be neglected, (D)its mass has no significance in
the analysis of its responce to the forces that act on it.

6.In Statics analysis, a RIGID BODY is a body that (A)does not deform under
the action of forces, (B)the distance between any two points on the body
remains constant with time, (C)its size will influence its response to
external force, (D)only the external effects of forces on the body need to
be considered.

7.MASS of a body can be directly measured by (A)a balance-type scale(天平),
(B)a spring scale (彈簧秤), (C)an electronic scale(the one often used in the
supermarkets)

8.A body that can be modeled as a particle in one situation can be regarded
as a particle in all situation during an engineering mechanics analysis.(true
or false)

9.The LAWS OF MECHANICS are dependent on the system of units used.(true or
false)

10.The U.S. CUSTOMARY SYSTEM base units are defined in terms of SI base units.
(true or false)
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part two

課本習題兩題(25% each)

還是不要po答案好了,這樣學弟妹才會自己唸書找

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