Jack is trying out a new skateboard that he got for his birthday. He puts one foot on the skateboard and the other foot on the ramp. He notices that when he pushes off of the ramp with his foot, his body and the skateboard move forward up the ramp. He wants to investigate this phenomenon to answer the question: What causes this motion? He determines that he needs to figure out which force pair is involved with the motion he experiences.
Which of the following equal and opposite force pairs can help to explain the motion of Jack and his skateboard up the ramp?
A
The foot exerts a force on the ramp and the ramp exerts a force on the ground.
B
The foot exerts a force on the ramp and the ramp exerts a force on the foot.
C
The skateboard exerts a force on the ramp and the ramp exerts a force on the foot.
D
The skateboard exerts a force on the foot and the foot exerts a force on the ramp.