Show:
Friction
Gravity
Force
Sir Isaac Newton
Pressure
100
force that opposes the motion of an object
What is friction?
100
sir Isaac newton
Who discovered universal gravitation?
100
a push or a pull
What is force/
100
England
Where was Newton born?
100
a barometer
What is used to measure air pressure?
200
static friction
What kind of friction is a book sitting on a table?
200
force of attraction between all objects in the universe
What is gravity?
200
air resistance
What force pushes up on an object?
200
Universal gravitation
What is also known as Newton's Law of gravity?
200
force divided by area
What is the formula for pressure?
300
air resistance
What kind of friction pushes on a falling object?
300
towards the center of the Earth's mass
Where do all objects on Earth fall towards?
300
true
true or False..Are gravity and friction examples of forces?
300
an apple
What inspired Newton?
300
pressure caused by the force exerted by earth's atmosphere
What is air pressure?
400
to build friction between your shoes and the ice
What you we put sand or salt down on ice?
400
decreases
The force of gravity decreases or increases as the distance between them increases?
400
forces that are equal in size but opposite in direction
What are balanced forces?
400
that there is a force that makes all objects move toward each other
What did Newton hypothesize?
400
increases
When you increase the depth of a object in water, the pressure on the object does what/ stay the same increase decrease
500
to increase friction
Why is oil used in cars?
500
the mass of each object
The amount of gravitational force between 2 objects depends on what?
500
a change in motion
What do unbalanced forces cause?
500
False
True or False..Newton's theory was discovered to be untrue.
500
bernoulli's Principle
What is known as when the speed of a fluid increases the pressure decreases?