Which of Newton's Laws would explain why lifting your entire arm requires more force than lifting just your pinky finger?

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

An object of mass 10.0 kg and volume 1000 ml and density 10 g/ml sinks in water who’s density is 1.0 g/ml. what is the mass of the water which has been displaced in kilograms