An isotonic contraction can be concentric, which is where the muscle shortens as the fibres contract or eccentric, where the fibres contract as the muscle lengthens. When a muscle contracts with no resulting movement, it is an isometric contraction. Page: 1  1. 2  2.
To determine how much paint your house needs, measure the house's perimeter. Then multiply that figure by the height, excluding gable ends. Take the measurements with a steel tape measure, or reel out a ball of twine around the house and mark and measure the twine.
Large Vehicles. Painting a large truck or vehicle would take a professional about six to seven quarts of paint. If you are inexperienced, two or three coats of paint on a car would require about two gallons. If you are painting your vehicle the same color, 2 gallons should work. mid-size vehicle can take a professional about 3 quarts of paint to paint. If you are inexperienced, two or three coats of paint on a car would require you to use about a gallon.