Sketch the three classes of levers (as best you can), including labels. Label each as to its mechanical advantage (>,<, or =)

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n

=force × distance a. work b. velocity c. pressure d. momentum

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