A 3 kg block is in contact with a 2 kg block on a smooth 37° incline and both slide freely. Which statements are correct?

Select all that apply

• Option A

  Their common acceleration is 6 m s⁻² down the incline.

• Option B

  The contact force between them is zero.

• Option C

  Net forces are 18 N and 12 N down the incline.

• Option D

  The heavier block necessarily pushes the lighter one.