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Physics

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Daija Kreiger

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∙ 5y ago
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Cards in this guide (10)
What factors determines the strength of the frictional force between two surfaces

how hard the surfaces push to gether the types of surfaces involved

Which two surfaces would have the highest coefficient of friction

rubber on dry concreat

Does a cart loaded with groceries have more inertia because it has more mass than an empty cart

Yes, a cart loaded with groceries has more inertia because it has more mass than the empty cart. The inertia of any object is determined by the amount of its mass.

Microwelds are formed where

bumps from two surfaces come into contact.

The force needed to overcome kinetic friction is usually less than that needed to overcome static friction true or false

false

To calculate the density of a substance what two properties do you need to know

Mass, volume~Apex:)

A negative slope on the velocity vs time graph indicates that the object is not accelerating true or false

its false

Watching television with the remote control in your hand which of the following exerts the greatest gravitational force on you

The couch you are sitting on

Liquids that do not mix form into layers when they have different densities true or false

true

What is the frictional force needed to slow an object in motion.

kinetic frictional

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