因内容丰富，无法一一列举，我们主要介绍的是真题分析部分。
你可以从左边的列表中选择感兴趣的科目查看其真题分析范例。
Physics C: Mechanics 物理C：机械学
CASE1
综合类考察题
【官方样题】
考试说明 第5题
The constant force F with components Fx = 3N and Fy = 4N, shown above, acts on a body while that body moves from the point P to the point Q . How much work does the force do on the body during this process?
(A) 16J
(B) 30J
(C) 46J
(D) 56J
(E) 65J
【中文翻译】
如图
【解题思路】
正确答案：(A)
CASE2
综合类考察题
【官方样题】
考试说明 第9题
The ring and the disk shown above have identical masses, radii, and velocities, and are not attached to each other. If the ring and the disk each roll without slipping up an inclined plane, how will the distances that they move up the plane before coming to rest compare?
(A) The ring will move farther than will the disk.
(B) The disk will move farther than will the ring.
(C) The ring and the disk will move equal distances.
(D) The relative distances depend on the angle of elevation of the plane.
(E) The relative distances depend on the length of the plane.
【中文翻译】
如图
【解题思路】
正确答案：(A)
CASE3
计算类考察题
【官方样题】
考试说明 第10题
Let g be the acceleration due to gravity at the surface of a planet of radius R. Which of the following is a dimensionally correct formula for the minimum kinetic energy K that a projectile of mass m must have at the planet’s surface if the projectile is to escape from the planet’s gravitational field?
【中文翻译】
g为重力加速度
【解题思路】
正确答案：(B)
Physics C: ELECTRICITY AND MAGNETISM 物理C：电学和磁学
CASE1
综合类考察题
【考试真题】
1998年 第57题
A negatively charged particle in a uniform magnetic field B moves in a circular path of radius, r, as shown above. Which of the following graphs best depicts how the frequency of revolution f of the particle depends on the radius r ?
(A)(B)
(C)
(D)(E)
【中文翻译】
如图
【解题思路】
正确答案：(A)
CASE2
计算类考察题
【官方练习】
考试说明 第6题
Wire of resistivity r and cross-sectional area A is formed into an equilateral triangle of side b, as shown above. The resistance between two vertices of the triangle X and Y, is
【中文翻译】
如图
【解题思路】
正确答案：(C)
CASE3
计算类考察题
【官方练习】
考试说明 第10题
A loop of wire enclosing an area of 1.5 square meter is placed perpendicular to a magnetic field. The field is given in teslas as a function of time t in seconds by
The induced emf in the loop at t = 3 s is most nearly
(A) 0V
(B) 5V
(C) 10V
(D) 15V
(E) 20V
【中文翻译】
一段电线围成1.5平方米的面积
【解题思路】
正确答案：(C)
