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5.work,energy,power and collision — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysics5.work,energy,power and collision1 Mark
MCQ
Two bodies $A$ and $B$ collide as shown in Fig. $(i)$ and $(ii)$ Which statement is true ?
  • A
    They exert equal and opposite force on each other in $(i)$ but not in $(ii)$
  • ✓
    They exert equal and opposite force on each other in both $(i)$ and $(ii)$
  • C
    The forces are equal and opposite to each other in $(i)$ but only the components of the forces parallel to the velocities are equal in $(ii)$
  • D
    The forces are equal and opposite in $(i)$ but only the components of the forces perpendicular to the velocities are equal in $(ii)$
✓

Answer

Correct option: B.
They exert equal and opposite force on each other in both $(i)$ and $(ii)$
b

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