17. 夾背鋸操作施力的方式為
(A)推拉皆可
(B)視情形而定
(C)推
(D)拉。

18. 材積 1 立方尺等於 (A)10 立方寸 (B)100 立方寸 (C)1000 立方寸 (D)10000 立方寸。

19. 手壓鉋機主要的功用是 (A)鉋基準面及直角邊 (B)鉋寬度 (C)鉋溝槽 (D)鉋厚度。

20. 帶鋸機之鋸條向外滑脫的主要原因是 (A)上鋸輪後傾 (B)轉速太快 (C)鋸條太窄 (D)上 鋸輪前傾。

Problem of 1and 2:Three identical stars, each star's mass is M, form an equilateral triangle that rotates around the triangle's center as the stars move in a common circle about that center. The triangle has edge length L. (The gravitational constant is G)1. What is the net force on each star?(A)2(GM²/L²) (B)(C)(GM²/L²)/2 (D)(E)None of the above

2. What is the speed of the stars?  (A)(B) (C) (D) (E)None of the above

3. What is the angular speed of the system just after the putty wad hits?(A)1.148 rad/s (B)11.48 rad/s (C)0.0148 rad/s (D)0.1480 rad/s (E)None of the above

4. What is the ratio of the kinetic energy of the system after the collision to that of the putty wad just before?(A)0.0123 (B)0.123 (C)1.23 (D)12.3 (E)None of the above

5. Inside the sphere, at what distance from the sphere's center are there points where the gravitational acceleration is ag/3? (A)R/5 (B)R/4 (C)R/3 (D)R/2 (E)None of the above

6. Outside the sphere, at what distance from the sphere's center are there points where the gravitational acceleration is ag/3? (A uniform solid sphere of radius R produces a gravitational acceleration of a_g on its surface.) (A) R (B) R (C)2R (D)3R (E)None of the above

Problem of7and8 :In Fig. 2, the block 1 has mass m₁ = 460 g and block 2 has mass m₂ = 500 g, and the pulley, which is mounted on a horizontal axle with negligible friction, has radius R = 5 cm. When released from rest, block 2 falls 75 cm in 5 s without the cord slipping on the pulley.7. What is the magnitude of the acceleration of the blocks? (A)0.02 m/s² (B)0.2 m/s² (C)2 m/s² (D)20 m/s² (E)None of the above

114年 - 114 全國高級中等學校學生技藝競賽考試_工業類:家具木工#137917

113年 - 113 全國高級中等學校學生技藝競賽考試_工業類:家具木工#138047

112年 - 112 全國高級中等學校學生技藝競賽考試_工業類:家具木工#138191

111年 - 111 全國高級中等學校學生技藝競賽考試_工業類:家具木工#138271

110年 - 110 全國高級中等學校學生技藝競賽考試_工業類:家具木工#138262

109年 - 109 全國高級中等學校學生技藝競賽考試_工業類:家具木工#138700

107年 - 107 全國高級中等學校學生技藝競賽考試_工業類:家具木工#139266

107年 - 107 全國高級中等學校學生技藝競賽考試_工業類:家具木工#139163

106年 - [無官方正解]106 全國高級中等學校學生技藝競賽考試_工業類：家具木工#139325

104年 - 104 全國高級中等學校學生技藝競賽考試_工業類:家具木工#139641