dr.211
24-11-2010, 18:21
السلام عليكم ورحمة الله وبركاته ..
لو سمحتوا احتاج طريقة حل هذا السؤال :
a curve is banked so that no friction is required at 60km\h .If a car is moving at 40km\h on the curve ,in which direction is a frictional force exerted by the road?
لو سمحتوا احتاج طريقة حل هذا السؤال :
a curve is banked so that no friction is required at 60km\h .If a car is moving at 40km\h on the curve ,in which direction is a frictional force exerted by the road?