Question

In a gravitational field, at a point where the gravitational potential is zero (A) The gravitational field is necessarily zero (B) The gravitational field is not necessarily zero (C) Nothing can be said definitely, about the gravitational field (D) None of these

Name: Problem 719, Chapter 6: JEE Physics
Uploaded: 2021-10-28T22:09:43-08:00
Duration: 1 min 45 s
Channel: Aja S
Description: In a gravitational field, at a point where the gravitational potential is zero (A) The gravitational field is necessarily zero (B) The gravitational field is not necessarily zero (C) Nothing can be said definitely, about the gravitational field (D) None of these

   In a gravitational field, at a point where the gravitational potential is zero
(A) The gravitational field is necessarily zero
(B) The gravitational field is not necessarily zero
(C) Nothing can be said definitely, about the gravitational field
(D) None of these

JEE Physics

StemEZ 1st Edition

Chapter 6, Problem 719

Instant Answer

Solved by Expert Aja S

10/28/2021

Step 1

When the gravitational potential is zero, it means that no work is done to bring the object to that point. However, the gravitational field is a vector quantity that represents the force experienced by a unit mass at a point in the field. It is possible for the Show more…

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In a gravitational field, at a point where the gravitational potential is zero (A) The gravitational field is necessarily zero (B) The gravitational field is not necessarily zero (C) Nothing can be said definitely, about the gravitational field (D) None of these

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Key Concepts

Gravitational Potential

Gravitational potential represents the potential energy per unit mass at a point in space due to a gravitational field. It is a scalar quantity that can be set to zero at one point based on the chosen reference, but this zero value does not inherently dictate the value of the gravitational field at that point.

Gravitational Field

The gravitational field is a vector quantity that describes the force experienced per unit mass at a point in space, typically defined as the negative gradient of the gravitational potential. Even when the gravitational potential is zero at a point, the field itself may not be zero because the potential's spatial rate of change (its gradient) determines the field strength.

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