Force
Which has more friction, rubber, ice, or plexiglass?
rubber
What is velocity?
Speed with direction
The amount of matter in an object is called its...
mass
You push a chair across the floor. It gradually slows down and stops. Why did the chair stop moving?
friction from the floor
What is the chemical symbol for water?
H2O
What is required to change the velocity of an object?
force
What are the 5 ways an object can move?
Start, Stop, Speed Up, Slow Down, or Change Direction
A push or pull that can cause motion
force
You are playing pool. You hit the white ball and it hits a solid blue ball that is still. What happens to both balls after the collision?
The white ball will stop and the blue ball will start moving.
What is the largest organ in the human body?
Skin
To stop an object, the force must come from:
the opposite direction of the object's motion
It takes more force to slow down your bicycle by 5 mph than to speed it up 5 mph. True or False
False
The force that slows down motion between touching objects.
friction
A pod hits a space station. The space station is much more massive than the pod. The pod experiences a much stronger force than the station. True/False
False
How many degrees are in a triangle?
180
To speed up an object, the direction of force should be:
in the same direction of the object's motion
Any speed with a direction
when 2 objects hit each other
collision
A pod hits a space station. The space station is much more massive than the pod. The pod experiences a much greater change in velocity. True/False
True
How many world series have the Seattle Mariners been to?
None :(
To start an object moving, the force must come from:
any direction
An object with less mass collides into an object with more mass. Which object will have the great change in velocity?
less mass
To apply a force
Exert
There is a collision between a bug and a car. The bug experiences a greater change in velocity because...
it has a much smaller mass
What is the longest river in the U.S.?
Missouri River