Free Fall

Front

What is free fall?

Back

Free fall is the motion of an object under the influence of gravitational force only, without any air resistance.

Front

What is the acceleration due to gravity on Earth?

Back

The acceleration due to gravity on Earth is approximately 9.81 m/s².

Front

What happens to the velocity of an object in free fall as it descends?

Back

The velocity of an object in free fall increases as it descends due to the constant acceleration of gravity.

Front

At the highest point of its trajectory, what is the velocity of an object thrown straight up?

Back

At the highest point, the final velocity (Vf) of the object is 0 m/s.

Front

What is air resistance?

Back

Air resistance is a force that opposes the motion of an object through the air, affecting its acceleration and velocity.

Front

How does air resistance affect falling objects?

Back

Air resistance causes lighter and less aerodynamic objects to fall slower than heavier and more aerodynamic objects.

Front

What is terminal velocity?

Back

Terminal velocity is the constant speed an object reaches when the force of gravity is balanced by air resistance.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is the formula for calculating weight?

Back

Weight (W) can be calculated using the formula W = m * g, where m is mass and g is the acceleration due to gravity.

Front

What is the principle of conservation of energy in free fall?

Back

The principle states that the total mechanical energy (potential + kinetic) of an object in free fall remains constant if air resistance is negligible.