Q. Gravitational potential energy is

गुरुत्वीय स्थितिज ऊर्जा है

A
Always positive
हमेशा ही सकारात्मक
B
Always negative
हमेशा नकारात्मक
C
Zero
शून्य
D
Always increasing
हमेशा बढ़ता जा रहा है

Explanation

Gravitational potential energy (GPE) at a point is given by:

U=−GMmrU = -\frac{GMm}{r}

where GG is the gravitational constant, MM and mm are masses, and rr is the distance between them. The negative sign indicates that the GPE is always negative, meaning work must be done to move a mass from that point to infinity (where potential energy is defined as zero).

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