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During a tug-of-war competition, neither team is able to gain an advantage. Which of the following explains the forces in this situation? - the forces are balanced - the forces are overcome by air friction - the mass of the rope cancels the forces being exerted on it - the forces are unbalanced
the speed and direction at which the acceleration of a falling object terminates (is zero) because air resistance equals the object's weight. How great is the force of friction compared with your push on a crate that doesn't move on a level floor?
11 Οκτ 2024 · Match the change in mass needed to produce the desired change in acceleration (assuming the force remains constant).
This type of motion is addressed by Newton’s second law of motion, which states how force causes changes in motion. Newton’s second law of motion is used to calculate what happens in situations involving forces and motion, and it shows the mathematical relationship between force, mass, and acceleration. Mathematically, the second law is ...
For a car or any other object to move, it must be accelerated from rest to the desired speed; this requires that the friction force be greater than the drag force. Once the car is moving at constant velocity, the net force must be zero; otherwise, the car will accelerate (gain speed).
Drag Forces. Drag forces are forces acting the opposite direction to an object moving through a fluid (either gas or liquid) Examples of drag forces are friction and air resistance. A key component of drag forces is it increases with the speed of the object. This is shown in the diagram below: Frictional forces on a car increase with its speed.
21 Οκτ 2024 · When an object is dropped, it accelerates toward the center of Earth. Newton’s second law states that a net force on an object is responsible for its acceleration. If air resistance is negligible, the net force on a falling object is the gravitational force, commonly called its weight, \(w\).
