Question

is drag force always negative ? can it be positive sometimes?​

Answer 1

Answer:

When drag is termed "positive", that means that it is exerting a force against the force of thrust. Negative drag means the opposite, that there is a reduction in the drag force. When drag is positive, we can assume the aircraft is slowing down. When drag is negative, we can assume it is accelerating

Answer 2

Answer:

Drag is the force of flight that slows down things that fly. When drag is termed "positive", that means that it is exerting a force against the force of thrust. Negative drag means the opposite, that there is a reduction in the drag force. When drag is positive, we can assume the aircraft is slowing down.

Explanation:

When drag is termed "positive", that means that it is exerting a force against the force of thrust. When drag is negative, we can assume it is accelerating.

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