Definitions
describes how fast something moves
speed
A force that slows down objects against each other.
friction
The path a moving object takes
direction
push or pull that can change how something is moving
force
What is your perspective of an event called
Frame of reference
Define motion
A change of position, direction, or speed.
Bonus points-300
a change of position or when something moves
motion
This is speed.
What is how fast or slow something moves?
What is the stationary object called when determining if something is in motion?
Reference point
a force that slows down objects against each other
friction
BONUS - 100 points
When you are moving an object toward you, you are doing this.
pull or pulling
How can you tell a bus is moving
many possible answers..... reference points?
This is any force that moves an object away from you.
push
Ballet dancers are constantly changing position, which means that they are in _____________
motion
Unbalanced forces cause an object to....
move in a direction
A push or a pull on an object
A force
What causes an increase in speed?
a greater force
What force makes it hard to push or pull a chair
friction
BONUS - 100 points
Tom brady used __________ to throw the football to Gronk in the end zone.
force
What is an example of a change in direction?
A. a car driving straight
B. a ball bouncing off the ground
C. an apple falling straight to the ground
B. a ball bouncing off the ground
What do balanced forces do?
Charlie is pushing the box right with a force of 10N and Billy Bob is pushing the box left with a net force of 9 N. What direction is the box moving and with what net force?
Right at 1 N
What causes objects to move?
unbalanced forces
What force may keep you from lifting a box upward?
Gravity
Why would the flag stay in place if 2 teams were pulling in opposite directions at tug-o-war?