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Free Fall Physics Problems Video Lecture | Civil Engineering Optional Notes for UPSC

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FAQs on Free Fall Physics Problems Video Lecture - Civil Engineering Optional Notes for UPSC

1. What is free fall in physics?
Ans. Free fall in physics refers to the motion of an object under the sole influence of gravity. In free fall, the object is not subject to any other forces such as air resistance or friction.
2. What is the acceleration of an object in free fall near the surface of the Earth?
Ans. The acceleration of an object in free fall near the surface of the Earth is approximately 9.81 m/s^2, directed towards the center of the Earth. This value is often denoted as "g."
3. How does the velocity of an object in free fall change over time?
Ans. In free fall, the velocity of an object increases linearly over time. This means that the object's speed increases by 9.81 m/s every second.
4. What factors can affect the motion of an object in free fall?
Ans. The motion of an object in free fall can be affected by factors such as air resistance, initial velocity, and the shape of the object. These factors can alter the acceleration and velocity of the object during free fall.
5. How can the distance traveled by an object in free fall be calculated?
Ans. The distance traveled by an object in free fall can be calculated using the formula: d = (1/2)gt^2, where d is the distance, g is the acceleration due to gravity, and t is the time the object has been in free fall.
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