The force applied by a cricketer to hit a Sixer, is
muscular force
Explanation for the correct option(s)
Option B: Muscular Force is a contact force. When any force is applied by using muscles like arms and legs is called as muscular force
Explanation for the incorrect option(s)
Option A: Mechanical Force- is generated using some mechanical devices.
Option C: Gravitational force- It is the Earth's attractional pull towards its center
Option D: Frictional Force- That generates between two bodies when they are in contact.
Hence OPTION B is correct