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AbhiGhost
When a ball is dropped from building, it will experience two forces: gravitational force( acting in downward direction) and air resistance(acting in upward direction i.e opposite to the motion of ball). This air resistance can be neglected because coefficient of viscosity of air is very less. So only gravitational force is responsible for downward motion of the ball. 

The force of gravity is responsible for the downward movement of ball. The correct option is A.

What is gravity?

An undetectable force that attracts objects to one another. Gravity is really what continues to keep objects on the ground and causes things to fall.

A graphics of gravity in action. Albert Einstein defined gravity as a space-time curve that wraps around an object, such as a star or planet.

Einstein proposed that the form of time and space is what causes the force we call gravity.

A mass (or energy) concentration, such as the Earth or sun, bends space around it in the same way that a rock bends the flow of a river.

As per the given case, the ball is dropped from rest from the top of a building. For this case, the force that is acting here is gravitational force.

Thus, the correct option is A.

For more details regarding gravitational force, visit:

https://brainly.com/question/24783651

#SPJ6

Your question seems incomplete, the missing options could be:

  • The force of gravity.
  • The force of tension.
  • The normal force.
  • The pushing force

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