Example 1 · difficulty 3/5
Blocks A and B of masses 2 kg and 3 kg are in contact on a smooth horizontal surface. A horizontal force of 10 N is applied to A so that A pushes B. What is the contact force exerted by A on B?
- A. 6 N
- B. 4 N
- C. 10 N
- D. 15 N