Three 50-Kg Masses Are Located at Points in the Xy Plane

question 35

Multiple Choice

Three 5.0-kg masses are located at points in the xy plane, as shown. What is the magnitude of the resultant force (caused by the other two masses) on the mass at x = 0, y = 0.30 m?

• A)2.6 * 10-8 N
• B)2.0 *10-8 N
• C)2.9 * 10-8 N
• D)2.3 * 10-8 N
• E)2.1 * 10-8 N

---

Definitions:

Intermittent Schedule

A reinforcement schedule in which rewards or punishments (reinforcements) are given out at irregular intervals.

Reinforcement

Reinforcement is a concept in behavioral psychology where a behavior is strengthened or increased by a consequence that follows it.

Extinction

In psychology, the gradual weakening and disappearance of a conditioned response.

Punishing

The act of imposing a penalty or negative consequence on an individual or group to reduce or eliminate undesirable behavior.