A box of mass 1 kg starts to move up on a frictionless inclined plane of inclination 30° with an acceleration ao ….

Q: A box of mass 1 kg starts to move up on a frictionless inclined plane of inclination 30° with an acceleration a₀ = 3 m/s² by applying a constant force F along the inclined plane. When a block of mass m₀ is put inside the box, the box slides down with same acceleration a₀. The value of m₀ is

(a) 1 kg

(b) 2 kg

(c) 3 kg

(d) 4 kg

Ans: (c)