Friction
Mass and Gravity
Balanced and Unbalanced Forces
Sir Isaac Newton
Patterns in Motion
100
Would a hockey puck glide faster on a fluffy carpet or a smooth marble floor?
A smooth marble floor
100
The greater the ________ of the object, the more force it will take to move or speed up the motion
Mass
100
A balanced force has two equal forces acting in opposite or the same direction?
Opposite
100
What is the EXACT position of Ms. R?
laying on top of the desk, in the middle of the room
100
Two types of force are
Push and pull
200
Why are sidewalks made out of concrete and not ice?
If it was made out of ice, there would be no friction to stop you from falling.
200
Which object would take more force to move, pulling a wagon with 3 children in it or pushing a grocery cart with one bag of chips in it?
Pulling a wagon with 3 children in it
200
True or False: With an unbalanced force, two equal forces are acting in the same direction.
FALSE: An unbalanced force has two UNEQUAL forces acting in opposite directions.
200
Isaac Newton's first law state that an object at rest or in motion will stay at rest or in motion unless acted upon by an _____________ force.
equal and opposite force
200
If a mom pushes a baby on a swing, what pattern will the swing move?
Back and forth
300
Does friction go in the opposite direction of something in motion, or the same friction as something in motion?
The opposite direction
300
If we push a ping pong ball and a golf ball with the same amount of force, which will travel faster?
A ping pong ball
300
Which team would win tug of war, 1 or 2?
Team 1
300
According to Newtons 2nd Law, the greater the ___________ of an object, the more force it will take to accelerate it (speed it up)
mass
300
Since things often move in patterns, we are able to __________ the patterns, before they happen.
predict
400
Friction is a contact force which of the following is an example of a contact force?
Drawing with chalk on the chalkboard or
Doing a jumping Jack
Drawing with chalk on the chalkboard
400
True or false: If you pushed someone hard enough on a swing, they will fly up and touch the moon.
FALSE: You would never have enough force in the push to do this!
400
What is the EXACT position on Ms. R in this picture?
Upside down, in front of the cabinet
400
What is inertia?
An an object will stay still or keep moving, unless acted upon by an outside force.
400
What would happen if the woman stopped pushing the girl on the swing?
It would slow down and eventually stop
500
The two factors that affect the amount of friction
The type of material and weight
500
What is the difference between mass and weight?
Mass is how much matter is in something, weight is a measure of the force pulling on the objects!
500
Which of the following is an example of a balanced force?
The vocabulary words hanging on the wall or a hamster running on a wheel
The vocabulary words hanging on the wall
500
Which of the following is an example of inertia?
Kicking a soccer ball so hard it flies right into the net or learning about force and motion
Kicking a soccer ball so hard it flies right into the net
500
Watch this video. If the pattern continues, how many seconds will it take to drop the first time, on the next ride?
about 13 seconds