Answer:
0 J
Explanation:
Work = force × distance
Since the object isn't moved, the distance is 0. So the work is 0.
I would say A or B if there’s a text can u post that as well but I’m just going by what it sound like
Answer:
Lever
Explanation:
Fulcrum point is the point where the lever turns.
It is the center of a key activity
Answer:
Explanation:
The law of effect given by Edward Thorndike explains the behavior of child given in the problem . The effect which gives pleasure and satisfying effect are likely to be learnt easily and the effect which creates bad taste are likely to be forgotten easily . actions producing feel good effect are likely to be repeated in future .
