A Mass of 25 Kg Is Acted on by Two

question 48

Multiple Choice

A mass of 25 kg is acted on by two forces, one of which is 15 N due east while the second one is 10 N due north. The acceleration of the mass is

• A) 0.72 m/ s², 56.3^o north of east.
• B) 0.20 m/ s², due east.
• C) 0.72 m/ s², 33.7 ^o north of east.
• D) 1.0 m/ s², 33.7 ^o north of east.
• E) 0.20 m/ s², 56.3 ^o north of east.

---

Definitions:

Mindfulness Meditation

A practice of mindfulness involving focusing the mind on the present moment without judgment, often used as a stress reduction technique.

Optimism

The tendency to expect the best possible outcome or to dwell on the most hopeful aspects of a situation.

Serotonin Activity

Refers to the actions and effects of serotonin, a key neurotransmitter, in the brain which impacts mood, feelings of well-being, and happiness.

Aerobic Exercise

Physical activity that improves heart and lung function, increases endurance, and often involves rhythmic, continuous movement.