Question

A parachutist is falling through the air at terminal velocity.
Which statement about the parachutist is correct?
А)
Every force acting on the parachutist is equal to zero and his acceleration is equal to zero.
B )Every force acting on the parachutist is equal to zero and his velocity is equal to zero.
с )The resultant force acting on the parachutist is equal to zero and his acceleration is equal to
zero.
D)
The resultant force acting on the parachutist is equal to zero and his velocity is equal to zero.

Answer 1

Answer:

velocity.

Which statement about the parachutist is correct?

А)

Every force acting on the parachutist is equal to zero and his acceleration is equal to zero.

B )Every force acting on the parachutist is equal to zero and his velocity is equal to zero.

с )The resultant force acting on the parachutist is equal to zero and his acceleration is equal to

zero.

D)

The resultant force acting on the parachutist is equal to zero and his velocity is equal to zero.

Answer 2

Explanation:

When an object falls through the air, there are two main forces acting on it: the gravitational force and the air resistance force. Terminal velocity occurs when the air resistance force is equal in magnitude to the gravitational force, resulting in a net force of zero and a constant velocity.

So, the correct statement is option (d) -

The resultant force acting on the parachutist is equal to zero and his velocity is equal to zero. This means that the velocity of the parachutist reaches a constant value and does not change, despite the fact that they are still in free fall.

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