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Vocabulary
Gravity
2nd Law
3rd Law
Math Matters
100
The upward force of an object falling through the air.
What is air resistance?
100
Gravity is the attractive force between any two objects that have this....
What is mass?
100
The relationship among mass, force and acceleration is explained by this Law.
What is Newton's second law of motion?
100
To every action there is an equal and opposite reaction.
What is Newton's 3rd Law?
100
In the equation p= mv, the p stands for this...
What is momentum?
200
The friction between 2 surfaces that prevents motion.
What is static friction?
200
The gravitational force depends on these two things:
What are the masses of the objects and the distance between them?
200
The acceleration due to gravity.
What is 9.8 m/s2
200
The 3rd law of motion describes the way object exert this on each other.
What is force?
200
The unit of momentum.
What is kg x m/s.
300
When an object seems to be weightless in orbit, it is in.....
What is free fall?
300
How you find the weight of an object near Earth's surface.
What is weight equals mass x gravity?
300
What is the gravitational force exerted on an object called?
What is weight?
300
When 2 objects collide, this can be conserved.
What is momentum?
300
The path of a projectile.
What is curved?
400
This is different for the same object on different planets.
What is weight?
400
Why 2 objects of different shapes fall at different rates.
What is air resistance?
400
This exerts the strongest gravitational force on you.
What is Earth?
400
How momentum from one object moves to other objects it contacts.
What is transferred?
400
According to Newton's second law of motion: Force equals....
What is mass times acceleration?
500
When an object moves in a circular path, the net force is called this....
What is centripetal force.
500
The force of gravity between any 2 objects can be calculated if these 2 things are known.
What is mass of each object and the distance between them.
500
Momentum increases as one or both of these things increases.
What is mass and/or velocity?
500
A real car has more momentum than a toy car moving the same speed due to this...
What is mass?