以下哪个是力的单位? A. 牛顿 B. 瓦特 C. 焦耳 D. 安培

12年级物理课程力学练习

Quiz
•
Physics
•
12th Grade
•
Hard
Yu Jinghua
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A. 牛顿
C. 焦耳
D. 安培
B. 瓦特
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
当一个物体受到一个力时,它会产生什么样的运动? A. 加速 B. 减速 C. 匀速 D. 静止
E. 上下颠倒
A 加速
F. 往左飘
G. 旋转
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个公式用于计算力? A. F=ma B. P=VI C. W=Fd D. E=mc^2
B. P=VI
C. W=Fd
D. E=mc^2
A. F=ma
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个是牛顿的第一定律? A. 作用力等于质量乘以加速度 B. 物体静止或匀速直线运动时,作用在物体上的合外力为零 C. 任何两个物体之间都存在引力 D. 动能和势能之和保持不变
D. 动能和势能之和保持不变
B
A. 作用力等于质量乘以加速度
C. 任何两个物体之间都存在引力
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下图中哪个示意图代表了一个物体受到一个力使其加速的情况? (图片1) A. 图A B. 图B C. 图C D. 图D
B. 图B
A. 图A
C. 图C
D. 图D
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