Refer to the first diagram. what is the weight of the person hanging on the end of the seesaw in newtons?

refer to the second diagram. how far is the 400 n person from the fulcrum in meters?

refer to the third diagram. what is the weight of the seesaw board in newtons?

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.