An apple at rest weighs 1 N.The net force on the apple when it is in free fall is
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An apple at rest weighs 1 N.The net force on the apple when it is in free fall is
An apple at rest weighs 1 N.The net force on the apple when it is in free fall is
An apple at rest weighs 1 N.The net force on the apple when it is in free fall is
一个自由落体的苹果,剩余重量1牛,作用在苹果上的力是多少?有力作用在苹果上这个苹果就不是自由落体的了.只能按题面的大概意思回答,F=mg-1,m苹果的质量,g重力加速度.
一个(静止放置的)苹果重1N。 当它自由落体的时候,苹果受到的净作用力是多少?
(答案应该9.8N)
看不懂英文
An apple at rest weighs 1 N.The net force on the apple when it is in free fall is
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