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Newton’s First Law: Inertia

October 24, 2016 By Janice VanCleave

Inertia: Newton's First Law of Motion Newton's First Law of Motion: The Law of Inertia states: If the forces acting on an object are balanced, then the object will not accelerate (increase in … [Read more...]

Filed Under: Newton's Laws of Motion, Physics Tagged With: acceleration, astronaught, balanced forces, cars, contant velocity, elephant, equilibrium, fat-slim cat, force, gravity, inertia, Law of Inertia, mass, net force, Newton's First Law of Motion, penguin, resistance, state of motion, stationary, swing, velocity, weight

Why Boats Float

May 27, 2016 By Janice VanCleave

Buoyancy is the ability of an object to float in a fluid (liquid or gas) An objects floats when in water if the buoyancy force of the water pushing the object up is greater than the force of gravity … [Read more...]

Filed Under: buoyancy, Physics Tagged With: buoyancy, density, displacement, engineering, float, fluid, mass, sink, volume, water displacement

Density: Dimensional Analysis

January 24, 2014 By Janice VanCleave

Density is a conversion factor comparing the mass of a specific volume of a substance. The formula for density is D = m/v This equation is read: density (D) equals mass (m) divided by volume … [Read more...]

Filed Under: Chemistry, conversion factor, dimensional analysis Tagged With: conversion factor, density, dimensional analysis, mass, volume

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