A narrow but tall cabin is falling freely near the earth's surface. Inside the cabin, two small stones $A$ and $B$ are released from rest (relative to the cabin). Initially $A$ is much above the centre of mass and $B$ much below the centre of mass of the cabin. A close observation of the motion of $A$ and $B$ will reveal that
A narrow but tall cabin is falling freely near the earth's surface. Inside the cabin, two small stones $A$ and $B$ are released from rest (relative to the cabin). Initially $A$ is much above the centre of mass and $B$ much below the centre of mass of the cabin. A close observation of the motion of $A$ and $B$ will reveal that
- [KVPY 2011]
- A
both $A$ and $B$ continue to be exactly at rest relative to the cabin
- B
$A$ moves slowly upward and $B$ moves slowly downward relative to the cabin
- C
both $A$ and $B$ fall to the bottom of the cabin with constant acceleration due to gravity
- D
$A$ and $B$ move slightly towards each other vertically
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- [JEE MAIN 2015]