Final answer:
To remember Lift, Thrust, Weight, and Drag in physics, an understanding of the aerodynamics and flight mechanics is essential. The forces can be analyzed through trigonometry and the concept of weight force components, illustrated by a powerlifter's motion in lifting a weight where gravity plays a major role.
Step-by-step explanation:
To understand how to remember Lift, Thrust, Weight, and Drag, it's important to grasp each force's role in the context of physics. These forces are essential in the study of aerodynamics and flight mechanics. To express the drag force mathematically, we often begin with an understanding of the object in question, such as a powerlifter lifting weights. The weight force can be broken down into components using trigonometry based on the angles formed by the weight vectors. In the example of a powerlifter, the weight (m) of the barbell exerts a force (F) downwards due to gravity, and the height of the weights from the ground is labeled (d). By drawing a right angle triangle with the weight vectors, we can use trigonometry to resolve these forces and understand the impact of the incline angle on the weight components.