Physical Science Equations
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MOTION
speed (velocity)
= distance / time
acceleration = final velocity - initial velocity / time
(Newton's 2nd) force = mass * acceleration
(gravity) weight (of the object) = mass * acceleration (9.8m/s/s)
MACHINES
MA = Fr / Fe
(lever) MA = Le / Lr
(wheel & axle) MA = radius of wheel / radius of axle
(inclined plane) MA = L of slope / H of slope
% efficiency = Fr * Lr / Fe * Le
power = (force * distance) / time