A person weighs 63 lb. The acceleration of gravity is 9.8 m/. Determine her weight in newtons. Answer in units of N 2. Determine her mass in kilograms.
Answer in units of kg.

The act of moving from one place to another. a. locomotor b. aerobic c. stationary d. static

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?