books drag force calculation
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Source: wikipedia.org
حساب قوة السحب (Info)
ق.س = 1/2 * مس * كث * س^2
قوة السحب = 1/2 * معامل السحب * كثافة المائع * السرعة^2
وهذة القوة تزيد كلما زادت السرعة بمعدل X4, مثلا اذا كانت قوة سحب الهواء المضادة للسيارة هي 6 نيوتن عند سرعة 2 م/س، فإن القوة ستكون 24 نيوتن عند 4 م/س.
