Two bodies of unequal masses are dropped from a cliff. At any instant, they have equala)momentumb)accelerationc)potential energyd)kinetic energyCorrect answer is option 'B'. Can you explain this answer?

Question

Answer

Obviously acceleration will be constant during free fall. But only if body is falling in vacuum, otherwise air resistance will decrease the speed of body having lower maas & higher volume.

Answer

Acceleration, Option B.

Answer

Option B is correct. Because the acceleration is constant, as they are free falling they are under the acceleration due to gravity which is 9.8m/s^2

Answer

Equal Acceleration:
When two bodies of unequal masses are dropped from a cliff, they experience the same acceleration due to gravity. This is because acceleration due to gravity is independent of mass. The acceleration due to gravity on Earth is approximately 9.8 m/s^2.

Explanation:
When an object is dropped from a height, it accelerates due to the force of gravity pulling it downwards. This acceleration is the same for all objects, regardless of their mass. This can be explained by Newton's second law of motion, which states that the force acting on an object is equal to the mass of the object multiplied by its acceleration (F = ma).

In this case, both bodies are subject to the same gravitational force, which is equal to the product of their masses and the acceleration due to gravity. Since the gravitational force is the same for both bodies, their acceleration will also be the same.

Equal Acceleration and Free Fall:
When an object is in free fall, it experiences a constant acceleration due to gravity. This means that its velocity increases at a constant rate. Since both bodies are in free fall, their velocities will increase at the same rate and they will have the same acceleration.

Equal Acceleration and Falling Time:
The fact that both bodies have the same acceleration also means that they will take the same amount of time to reach the ground. This is because the time taken for an object to fall from a certain height is determined by its initial velocity and the acceleration due to gravity. Since both bodies have the same initial velocity (zero) and the same acceleration, they will take the same time to reach the ground.

Therefore, at any instant, the two bodies have equal acceleration when dropped from a cliff. This is the correct answer option (B).

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