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STD 11 - 4.1 , newtons laws of motion — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 4.1 , newtons laws of motion4 Marks
MCQ
Two trolley $A$ and $B$ are moving with accelerations $a$ and $2a$ respectively in the same direction. To an observer in trolley $A$ , the magnitude of pseudo force acting on a block of mass $m$ on the trolley $B$ is
  • A
    zero
  • ✓
    $ma$
  • C
    $2\ ma$
  • D
    None
✓

Answer

Correct option: B.
$ma$
b
Pseudo $force$ = $(m)$ (mass of object) $×$ $(-a)$ (acceleration of fram)

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