## What is the greatest force acting on the skydiver before the terminal speed is reached?

force of gravity
Before the parachute opens: Immediately on leaving the aircraft, the skydiver accelerates downwards due to the force of gravity. There is no air resistance acting in the upwards direction, and there is a resultant force acting downwards. The skydiver accelerates towards the ground.

What is terminal speed when a skydiver has reached terminal speed what is the air resistance equal to what is the skydiver’s acceleration?

Terminal speed is the speed at which the force from the weight of the object equals the force of air resistance, so the acceleration is zero. When a skydiver reaches terminal speed, the air resistance is equal to the force of weight of the skydiver. At terminal speed, the sky diver’s acceleration is zero.

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### What is the net force acting on the skydiver?

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. As the speed decreases, the amount of air resistance also decreases until once more the skydiver reaches a terminal velocity.

How fast does a skydiver reach terminal velocity?

around 120 mph
By definition, terminal velocity is a constant speed which is reached when the falling object is met with enough resistance to prevent further acceleration. Terminal velocity is, then, the fastest speed you will reach on your skydive; this is usually around 120 mph.

#### What is the speed of terminal velocity?

terminal velocity, steady speed achieved by an object freely falling through a gas or liquid. A typical terminal velocity for a parachutist who delays opening the chute is about 150 miles (240 kilometres) per hour.

What force must air resistance be exerting on the skydiver when they have reached terminal velocity?

An object will reach its terminal speed when the net force on it is zero, which is when the (upward) air resistance force equals the (downward) weight force. A skydiver will reach terminal velocity when the (upward) air resistance force on her equals the weight force pulling her down.

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## How much air resistance acts on a 100n bag of nails that falls at its terminal speed?

Following the law, the net force on the box must be equal to zero. Therefore, if the weight of the box of nails is 100 N , the amount of air resistance must also be 100 N . In other words, net force=100 N −100 N=0 N .

What happens to the net force acting on a skydiver as the skydiver falls faster and faster through the air before reaching terminal velocity )?

Since the book is sliding at constant velocity, its acceleration is zero. Since its acceleration is zero, the net force on it must be zero (Newton’s First Law). As the skydiver falls faster and faster through the air, the net force on her decreases, and her acceleration decreases.

### Does a falling object increase in speed if its acceleration of fall decreases?

Yes. A falling object increases in speed even if its acceleration of fall decreases.

What has the fastest terminal velocity?

This is about the same as the terminal velocity achieved by a peregrine falcon diving for prey or for a bullet falling down after having been dropped or fired upward. The world record terminal velocity was set by Felix Baumgartner, who jumped from 39,000 meters and reached a terminal velocity of 134 km/hr (834 mph).

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#### What happens to a skydiver’s weight as they increase speed?

As the skydiver gains speed, their weight stays the same but the air resistance increases. There is still a resultant force acting downwards, but this gradually decreases. Eventually, the skydiver’s weight is balanced by the air resistance.

What is terminal velocity of a skydiver in free fall?

Jian Huang — 1998. Terminal velocity is often reported to be approximately 60 m/s for a typical skydiver in free fall. Exceptional skydivers are able to increase this value considerably by diving head first with their arms against the sides of their bodies, legs held firmly together, and toes pointed.

## What is the highest speed you can go in skydiving?

Guinness World Records, 2019. “The highest speed ever reached in a speed skydiving competition is 601.26 km/h (373.6 mph) by Henrik Raimer (Sweden) during the FAI World Championships in Chicago, Illinois, USA, on 13 September 2016.” Terminal velocity is often reported to be approximately 60 m/s for a typical skydiver in free fall.

What happens to the skydiver when the parachute opens?

When the parachute opens, the air resistance increases. The skydiver slows down until a new, lower terminal velocity is reached. Note that the skydiver does not go upwards when the parachute opens, even though this can appear to happen when a skydiver is being filmed.