What is also known as drag force?

What is also known as drag force?

In fluid dynamics, drag (sometimes called air resistance, a type of friction, or fluid resistance, another type of friction or fluid friction) is a force acting opposite to the relative motion of any object moving with respect to a surrounding fluid. …

When the drag force on an object falling through air is?

When drag is equal to weight, there is no net external force on the object, and the acceleration will become equal to zero. The object will then fall at a constant velocity as described by Newton’s First Law of Motion. The constant velocity is called the terminal velocity.

What is the net force on skydiver falling?

Once the parachute is opened, the air resistance overwhelms the downward force of gravity. The net force and the acceleration on the falling skydiver is upward. An upward net force on a downward falling object would cause that object to slow down. The skydiver thus slows down.

What forces act on a skydiver?

1. Parachute. There are two forces acting on a parachute with a parachutist: the force of gravity and the air resistance.

What is known as terminal velocity?

Terminal velocity, steady speed achieved by an object freely falling through a gas or liquid. An object dropped from rest will increase its speed until it reaches terminal velocity; an object forced to move faster than its terminal velocity will, upon release, slow down to this constant velocity.

What animals can survive terminal velocity?

Terminal velocity is the fastest that an object will ever fall, no matter what height it is dropped from. Squirrels (unlike most other mammals) can survive impacts at their terminal velocity. Which means no matter what height you drop a squirrel from, it will probably survive.

What Animals Can’t die from falling?

Mice can survive any fall: their terminal velocity is slow enough. Mice, and also rats, survive falls down mine shafts.

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