Motion
Equations
Newton's Laws Examples
Momentum
Odds & Ends
100
a ball following a curved path toward the ground is accelerating this direction
What is toward the earth (vertically only)
100
the force needed to accelerate an object with a mass of 30 kg 2 m/s/s
What is 60 N
100
a ballerina pushes down on the floor as she soars into the air
What is an example of Newton's Third Law
100
equation used to calculate momentum
What is p=mv
100
A frog leaping, a pitched baseball, and an arrow flying through the air.
What are examples of projectile motion
200
Free fall plus horizontal motion in space
What is orbital motion
200
Equation for Newton's Second Law
What is F = ma
200
it takes less force to move a toy car than a real car
What is an example of Newton's Second Law
200
need to be doing this in order to have momentum
What is moving
200
they all hit the ground at the same time
What are objects that fall in a vacuum.
300
the force that causes objects to move in circles
What is centripetal force
300
the velocity of a ball right before impact with the ground if it drops toward Earth for 5 seconds
What is 49 m/s
300
a soccer ball will not move until a player kicks it
What is an example of Newton's First Law
300
The SI unit of momentum
What is kg * m/s
300
when a billiard ball collides with another pool ball, it transfers this
What is momentum
400
This provides the centripetal force for things in orbit
What is gravity
400
the acceleration of a baseball if it has a mass of .1 kg and is hit with a force of 1000 N
What is 10000 m/s/s
400
if air is let out of a balloon quickly, air pushes down and the balloon goes up
What is an example of Newton's Third Law
400
the momentum of a 100 kg car when traveling 50 m/s
What is 5000 kg-m/s
400
a combination of free fall and forward motion near the surface of the earth
What is projectile motion
500
the force between a bat and ball, the attractive force between a falling ball and Earth, and the force between a grasshopper and the ground
What are action/reaction force pairs
500
The mass of a baseball that accelerates at 223.6 m/s2 after being hit by a bat with 32.5 N.
What is 0.145 kg
500
someone crashes their bike into a rock and is thrown over the handle bars
What is an example of Newton's First Law
500
the total momentum after two cars collide if their total momentum before the collision is 6000 kg-m/s
What is 6000 kg-m/s
500
the reason astronauts appear weightless in orbit
What is falling around the earth, free fall