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(expect a diagram of a uniform seesaw with a pivot in the middle, infered from the question)

For the seesaw to turn, Bob must create a greater Moment than Ann.

Moment = Force * Perpedicular ...

The box for the solid should be an orderly set of circles with no gap between each one. The box for the liquid represents molecules with more energy but not all bonds have been broken. Therefore the box s...

The sum of multiple currents going into a junction equals the sum of the currents leaving it. I1 + I2 = I3

Energy comes in many forms (e.g. chemical, potential, kinetic). We say that energy is transferred when it changes from one form to another. The conservation of energy means that in a closed system the amo...

The kinetic theory of gases states that a gas consists of many molecules in constant motion. A rise in temperature increases the mean speed of these molecules, and therefore their momentum (=mv).

T...