Four blocks of masses 10 kg, 5 kg, 3 kg and 2 kg are in contact on a smooth floor. A 100 N force pushes the 10 kg block. Which statements are correct?

Select all that apply

• Option A

  Common acceleration is 5 m s⁻².

• Option B

  Contact forces between successive blocks are 50 N and 25 N and 10 N.

• Option C

  Net forces on the 10 kg, 5 kg, 3 kg and 2 kg blocks are 50 N, 25 N, 15 N and 10 N.

• Option D

  The 2 kg block has zero net force.