help!!!!
Describe n explain the effect of the forces on each of the bodies shown below.
圖片參考：http://imgcld.yimg.com/8/n/HA06272548/o/701204040055013873388590.jpg
BALANCED OR UNBALANCED FORCE?
2012-04-05 1:22 am
回答 (2)
2012-04-05 2:02 am
✔ 最佳答案
newton's law 2nd bah!
when a force is act upon the moving object, opposing force is acted upon it as well.... for the <- to ->
therefore it is Balance force....
newton's law!!!
down arrow is unbalanced force because push down without any up force!
search "Newton's law" will help in chinese for you ba!
2012-04-05 3:39 am
There is no net force in the horizontal direction. The object thus moves at a constant speed in that direction.
However, there is a net 5 N downward force that gives an acceleration to the object. As a result of these 3 forces, the object follows a downward curved path.
However, there is a net 5 N downward force that gives an acceleration to the object. As a result of these 3 forces, the object follows a downward curved path.
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120404000051KK00550