Chemistry

Chemistry, 22.07.2019 07:10, 189652

Wich of fowllowing is not a force that would act on a skateboard rolling down a ramp 1.gravity 2.air resistance 3.rolling friction 4.statuc fraction

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Physics, 16.07.2019 19:00, lovejennaaj

Abox fails to slide down a ramp at a warehouse. what happens if you put the box on a cart that has wheels? a) rolling friction is replaced with sliding friction. b) rolling friction is replaced with static friction. c) static friction is replaced with rolling friction. d) sliding friction is replaced with rolling friction.

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Physics, 21.09.2019 00:00, thezbell

The forces acting on a falling leaf are a. gravity and static friction. b. gravity and air resistance. c. weight and rolling friction. d. air resistance and fluid friction.

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English, 02.10.2019 23:30, bhopainting

Which sentence best describes the passage? pick one of the bold sentences. friction is a force that opposes the motion of an object. friction occurs when a solid, liquid, or gaseous substance comes into contact with another substance. the result of friction is a force that opposes the motion of an object or substance. in other words, the motion of an object or substance slows down when there is friction. friction converts kinetic energy (energy of motion) into heat. one type of friction is called rolling friction. rolling friction is a restrictive force that slows the motion of a rolling ball. rolling friction occurs when a round object rolls on a surface. this friction will cause the object to stop rolling eventually. the amount of friction produced depends on the material of the object and the makeup of the surface touching it. for example, a wooden bowling lane is oiled to reduce the amount of rolling friction that occurs when a bowling ball is thrown during a game. otherwise, rolling friction might slow the ball enough to prevent it from knocking over any bowling pins.

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