题目
题目

UCIC 202503 PHYS101 Quiz 3

单项选择题

How to calculate the work if the force is not constant?

选项
A.a. By calculating the area under the curve in a graph of position and time
B.b. By calculating the area under the curve in a graph of force and position
C.c. By calculating the area under the curve in a graph of speed and time
D.d. By calculating the area under the curve in a graph of speed and position
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标准答案
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思路分析
Consider what work represents: the work done by a force is the integral of F · dx along the path of motion. When the force is not constant, you must account for how F changes as you move, which is captured by an integral over displacement. Option a: By calculating the a......Login to view full explanation

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