In a learning experiment, a monkey is taught to pull levers. One lever will give him a piece of fruit, a second lever will yield nothing and a third lever will deliver a mild shock to the monkey. What kind of learning paradigm is this experiment utilizing?

Operant Conditioning

Explanation:

Monkey taught to pull levers & 1st, 2nd, 3rd lever - giving him fruit, nothing, mild shock respectively : is a case of Operant Conditioning

Operant Conditioning refers to developing good & bad behaviour, by rewarding for desirable (good) behaviour & punishing for undesirable (bad) behaviour.

This theory is usually used to train many animals. For eg : Dogs are trained to sit & stay by offering them treat ; so they learn to sit & stay - is also an illustrative case of Operant Conditioning.

the answer would be in this answer. someone already asked the question.  

no the answer is c only objects touching the earth's surface can be acted upon by an outside force