Home › NEET UG › physics › c11phy_wep_pe_conserve › Per NCERT §5.7, the GRAVITATIONAL potential ener…
Per NCERT §5.7, the GRAVITATIONAL potential energy of a mass m at height h above the ground (g constant) is which?
A(1/2) m h
Bm g h
Cm h / g
Dm g
Answer & Solution
Correct answer: B. m g h
NCERT §5.7: V(h) = mgh, taking ground as the reference. Valid for h ≪ R_E so g is constant.
Related questions
Per NCERT §5.8 (conservation form), the total mechanical energy E in a conservative systemPer NCERT §5.8, an object dropped from height h, just before hitting the ground, has kinetPer NCERT §5.7, the dimensions of POTENTIAL energy are the same as those of which quantityPer NCERT §5.7 (Points 7), the zero of GRAVITATIONAL potential energy is conventionally chPer NCERT §5.8 (Points 8), is there an associated POTENTIAL ENERGY for FRICTION?Per NCERT §5.8 (smooth inclined plane), an object released from rest at height h on a fricPer NCERT §5.8 example, a ball dropped from height h has speed at the ground equal to whicPer NCERT §5.8, the principle of CONSERVATION OF MECHANICAL ENERGY holds when which condit