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Pg 11 - HW - Card

Pg 11 homework flashcards for Gravity and Friction

QuestionAnswer
Air Resistance When___ is ignored, all objects will speed up at same rate as which fall.
Speed & Increase The force of gravity can change ___ , as an object falls, its ____ will continually ___ , as earths center pulls it down.
Smoothing Friction can be reduce by ___ the surface
Smoother The ___ the two surfaces the less friction.
Opposite The slowing force of friction always acts in the direction ____ of the force causing motion.
Continue If friction could be removed an object would___ more.
Friction A force that occurs when 1 object rubs against another object.
Gravity Is a force that attracts or pulls objects toward each other without direct contact or impact.
Moon & Changing Direction The pull of earth's gravity keeps the ___ in orbit; the ___ is constantly ___ ____
Gravitational Attraction _____ depends on the mass of the 2 objects the distance they are apart. Objects on earth are pulled towards the center of earth.
Created by: wgm
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