Which simple machine has a groove on its circumference and runs with
the help of rope?​

A110-pound person pulls herself up 4.0 feet. this took her 2.5 seconds. how much power was developed? 0.13 hp 0.32 hp 2.0 hp 3.1 hp

Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse