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Free fall of an object in vacuum is a case of motion with
- a)uniform velocity
- b)uniform acceleration
- c)variable acceleration
- d)uniform speed
Correct answer is option 'B'. Can you explain this answer?
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Free fall of an object in vacuum is a case of motion witha)uniform vel...
Free fall of an object in vacuum is a case of motion with uniform acceleration.
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Free fall of an object in vacuum is a case of motion witha)uniform vel...
Uniform Acceleration in Free Fall
When an object falls freely in a vacuum, it experiences a constant acceleration due to gravity. This is known as free fall. The correct option is 'b) uniform acceleration' because the velocity of the object changes at a constant rate as it falls.
Explanation:
- Definition of Free Fall: Free fall refers to the motion of an object under the influence of gravity only, without any other forces acting on it. In a vacuum, where there is no air resistance, the object experiences pure free fall.
- Acceleration due to Gravity: The acceleration experienced by an object in free fall is due to the force of gravity. Near the surface of the Earth, the acceleration due to gravity is approximately 9.8 m/s^2. This means that the velocity of the object increases by 9.8 m/s every second it falls.
- Uniform Acceleration: In free fall, the object falls with a uniform acceleration. This means that the rate of change of velocity is constant. The velocity of the object increases by the same amount every second, making it a uniform acceleration.
- Velocity-Time Relationship: The relationship between velocity and time during free fall can be described by the equation: v = u + gt, where v is the final velocity, u is the initial velocity (usually taken as zero in free fall), g is the acceleration due to gravity, and t is the time. This equation shows that the velocity of the object increases linearly with time during free fall.
- Position-Time Relationship: The relationship between the position and time during free fall can be described by the equation: s = ut + (1/2)gt^2, where s is the displacement, u is the initial velocity, g is the acceleration due to gravity, and t is the time. This equation shows that the displacement of the object increases quadratically with time during free fall.
Conclusion:
In conclusion, free fall of an object in a vacuum is a case of motion with uniform acceleration. The object experiences a constant acceleration due to gravity, and its velocity and displacement increase with time according to specific equations.
When an object falls freely in a vacuum, it experiences a constant acceleration due to gravity. This is known as free fall. The correct option is 'b) uniform acceleration' because the velocity of the object changes at a constant rate as it falls.
Explanation:
- Definition of Free Fall: Free fall refers to the motion of an object under the influence of gravity only, without any other forces acting on it. In a vacuum, where there is no air resistance, the object experiences pure free fall.
- Acceleration due to Gravity: The acceleration experienced by an object in free fall is due to the force of gravity. Near the surface of the Earth, the acceleration due to gravity is approximately 9.8 m/s^2. This means that the velocity of the object increases by 9.8 m/s every second it falls.
- Uniform Acceleration: In free fall, the object falls with a uniform acceleration. This means that the rate of change of velocity is constant. The velocity of the object increases by the same amount every second, making it a uniform acceleration.
- Velocity-Time Relationship: The relationship between velocity and time during free fall can be described by the equation: v = u + gt, where v is the final velocity, u is the initial velocity (usually taken as zero in free fall), g is the acceleration due to gravity, and t is the time. This equation shows that the velocity of the object increases linearly with time during free fall.
- Position-Time Relationship: The relationship between the position and time during free fall can be described by the equation: s = ut + (1/2)gt^2, where s is the displacement, u is the initial velocity, g is the acceleration due to gravity, and t is the time. This equation shows that the displacement of the object increases quadratically with time during free fall.
Conclusion:
In conclusion, free fall of an object in a vacuum is a case of motion with uniform acceleration. The object experiences a constant acceleration due to gravity, and its velocity and displacement increase with time according to specific equations.
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Free fall of an object in vacuum is a case of motion witha)uniform velocityb)uniform accelerationc)variable accelerationd)uniform speedCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Free fall of an object in vacuum is a case of motion witha)uniform velocityb)uniform accelerationc)variable accelerationd)uniform speedCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Free fall of an object in vacuum is a case of motion witha)uniform velocityb)uniform accelerationc)variable accelerationd)uniform speedCorrect answer is option 'B'. Can you explain this answer?.
Free fall of an object in vacuum is a case of motion witha)uniform velocityb)uniform accelerationc)variable accelerationd)uniform speedCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Free fall of an object in vacuum is a case of motion witha)uniform velocityb)uniform accelerationc)variable accelerationd)uniform speedCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Free fall of an object in vacuum is a case of motion witha)uniform velocityb)uniform accelerationc)variable accelerationd)uniform speedCorrect answer is option 'B'. Can you explain this answer?.
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