Force Between Contacting Blocks · PhysicsBowl 2017 #15
Physics · mechanics
Problem
Two blocks X and Y are in contact on a frictionless horizontal surface. A constant 35 N force is applied to the right onto block X. What is the magnitude of the force that block Y exerts onto block X?
[Figure: Two blocks labeled X (7kg) and Y (3kg) in contact, with 35N force applied to X]
(A) 35 N (B) 28 N (C) 25 N (D) 14 N (E) 10 N