according to newton's third law of motion, when a hammer strikes and exerts force to push it into a piece of wood, the nail
Acreates a friction with the hammer
Bexerts an equal force on the wood
Cexerts an equal or opposite force on the hammer
Dmoves at a constant speed
Acreates a friction with the hammer
Bexerts an equal force on the wood
Cexerts an equal or opposite force on the hammer
Dmoves at a constant speed