UPSC Exam > UPSC Videos > Civil Engineering Optional Notes for UPSC > Free Fall Physics Problems
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, with no other forces acting on it. In free fall, the object accelerates towards the Earth at a constant rate of 9.8 m/s^2.
| 2. How is the speed of an object in free fall calculated? | |
Ans. The speed of an object in free fall can be calculated using the formula v = gt, where v is the final velocity, g is the acceleration due to gravity (9.8 m/s^2), and t is the time the object has been falling.
| 3. What is the position of an object in free fall at a given time t? | |
Ans. The position of an object in free fall at a given time t can be determined using the formula s = (1/2)gt^2, where s is the distance fallen, g is the acceleration due to gravity, and t is the time the object has been falling.
| 4. How does air resistance affect free fall motion? | |
Ans. Air resistance can slow down the motion of an object in free fall by creating an opposing force that acts in the opposite direction of the object's motion. This can cause the object to reach a terminal velocity where the force of air resistance is equal to the force of gravity.
| 5. What is the difference between free fall and projectile motion? | |
Ans. Free fall is a specific type of motion where an object falls under the influence of gravity alone, while projectile motion involves both horizontal and vertical components of motion. In projectile motion, an object is launched into the air at an angle with an initial velocity, experiencing both horizontal and vertical motion simultaneously.
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Nov 22, 2024 Last updated |
Video Description: Free Fall Physics Problems for UPSC 2024 is part of Civil Engineering Optional Notes for UPSC preparation.
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