Per NCERT, what process did the VIKRAM LANDER of Chandrayaan-3 use to SLOW DOWN for soft landing near the Moon's south pole?
AFriction with the lunar atmosphere
BHooking onto the Moon's surface
CFiring its engine in the DIRECTION of motion — exhaust gases applied a backward force per Newton's Third Law, slowing the lander
DInflating airbags
Answer & Solution
Correct answer: C. Firing its engine in the DIRECTION of motion — exhaust gases applied a backward force per Newton's Third Law, slowing the lander
Per NCERT §6.6, Vikram fired engine in motion direction; reaction force decelerated it. The Moon has no significant atmosphere for friction.
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