A plane moves with a constant velocity at an angle of 30.0° above the horizontal due to the action of four forces, the weight W→, the lift L→, the engine thrust T→, and the air resistance R→. The free-body diagram for the plane. This geometry occurs often in physics.

Figure 4.30

(a)

A plane moves with a constant velocity at an angle of 30.0° above the horizontal due to the action of four forces, the weight , the lift , the engine thrust , and the air resistance .

(b)

The free-body diagram for the plane.

(c)

This geometry occurs often in physics.