Forceful Nature
You're Rubbing me the wrong way
The Words We Use
The Gravity of the Situation
The Randomness of Science
100
A push or pull is what describes this.
What is force?
100
The friction that keeps birds in the sky, and lets fish swim.
What is fluid friction?
100
The SI unit used to measure the strength of a force.
What is a Newton?
100
The greater an objects mass the __________ the force of gravity acts upon that object.
What is greater, more?
100
The scientist who came up with the law of universal gravitation:
Who is Isaac Newton?
200
What is used to represent the direction and strength of a force?
An arrow or vector
200
The friction between wheels and the ground when you skateboard.
What is rolling friction?
200
The total of all forces acting upon an object.
What is net force?
200
As distance between objects decreases, the amount of gravitational force between them __________.
What is increases?
200
An object in space that sucks all of the gravity around it into itself, including light.
What is a black hole?
300
If an object is changing its motion it's net force is...
Unbalanced (or not 0 N)
300
The friction that happens when you start a fire by rubbing sticks together.
What is sliding friction?
300
The amount of matter in an object is known as this.
What is mass?
300
Is the force that keeps the planets in an orbit around the sun.
What is gravity?
300
The type of friction that allows planes and birds to fly.
What is fluid friction?
400
An unbalanced force will cause an object to
Accelerate or change its motion
400
the friction when you push an elephant and it doesn't move.
What is static friction?
400
This is how much gravity is pulling down on an object.
What is weight?
400
The two factors that affect the gravitational attraction between objects are:
What is mass and distance?
400
As distance increases between objects, the gravitational force does this.
What is decreases?
500
A net force of 0 N will cause this.
What is no change in motion?
500
The two factors that affect the force of friction are :
What is types of surfaces involved and how hard the surfaces are pushed together?
500
States that the force of gravity acts between all objects in the universe.
What is the law of universal gravitation?
500
The law of universal gravitation states this.
What is that gravity acts between all objects in the universe that have mass? (Also accepted: the equation!)
500
When you stand on a scale at the doctor's office the number displayed depicts the ____________that the Earth is exerting on you/
What is gravitational force?
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