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Gudrun Collier

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Term1/13
What factors determines the strength of the frictional force between two surfaces
Definition1/13

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

Term1/13
Which two surfaces would have the highest coefficient of friction
Definition1/13

rubber on dry concreat

Term1/13
A softball and a ping-pong ball are dropped off of a tall building Which statement describes in what order they hit the ground and why
Definition1/13

The softball hits the ground first because it is less affected by air resistance.

Term1/13
Which force acts on an object in free fall
Definition1/13

Gravity

Term1/13
In free fall all objects fall with the same acceleration
Definition1/13

yes and that is 9.8m/s2

true

Term1/13
If an object floats the volume of the displaced water is equal to the volume of the whole object
Definition1/13

False - Apex

Term1/13
To calculate the density of a substance what two properties do you need to know
Definition1/13

Mass, volume~Apex:)

Term1/13
A negative slope on the velocity vs time graph indicates that the object is not accelerating true or false
Definition1/13

its false

Term1/13
Watching television with the remote control in your hand which of the following exerts the greatest gravitational force on you
Definition1/13

The couch you are sitting on

Term1/13
Lily walked 2 blocks east then 1 block south How would you determine her total displacement
Definition1/13

The total displacement will be calculated using Pythagoras theorem. The distance traveled will form the two sides of the triangle. Hence we have to calculate the hypotenuse side using the formula Square root of (2 power 2 + 1 power 2)=Square root(5)=2.23

Term1/13
Liquids that do not mix form into layers when they have different densities true or false
Definition1/13

true

Term1/13
How were slaves affected by the new republic
Definition1/13

Some northern states made slavery against the law.

Term1/13
What is the frictional force needed to slow an object in motion.
Definition1/13

kinetic frictional

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Cards in this guide (13)
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

A softball and a ping-pong ball are dropped off of a tall building Which statement describes in what order they hit the ground and why

The softball hits the ground first because it is less affected by air resistance.

Which force acts on an object in free fall

Gravity

In free fall all objects fall with the same acceleration

yes and that is 9.8m/s2

true

If an object floats the volume of the displaced water is equal to the volume of the whole object

False - Apex

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

Lily walked 2 blocks east then 1 block south How would you determine her total displacement

The total displacement will be calculated using Pythagoras theorem. The distance traveled will form the two sides of the triangle. Hence we have to calculate the hypotenuse side using the formula Square root of (2 power 2 + 1 power 2)=Square root(5)=2.23

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

true

How were slaves affected by the new republic

Some northern states made slavery against the law.

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

kinetic frictional

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