Asked by sea lively
An object moves in a straight line at a constant speed. Is it true that here must be no forces of any kind acting on this object? Explain.
Answers
Answered by
scott
the "net" force (sum of all forces acting on the object) must be zero
an airplane flying in a straight, level path
... lift equals gravity , thrust equals air resistance
an airplane flying in a straight, level path
... lift equals gravity , thrust equals air resistance