The pressure(压强) is equal to the total force divided by the area over which it is exerted.
举一反三
- The total area of Russia is over ______ square miles.
- People and mentals all have a point at which they may snap because of the pressure being exerted.
- A profit-maximizing monopolist will produce the level of output at which A: average revenue is equal to average total cost. B: average revenue is equal to marginal cost. C: marginal revenue is equal to marginal cost. D: total revenue is equal to opportunity cost.
- An equal cross-section straight rod is exerted by the loads shown in the figure, the cross-sectional area of the rod is A=100mm2. Determine the normal stress on the cross-section m-k.http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/23fd5f3f3d6d4bb99e3cc743abf84ff6.png
- 中国大学MOOC: A particle of mass m is exerted with a force. Which of the following forces is not a conservative force?(g, k, C, D and γ are constants, and υ is the speed of particle.)