Force
They are applying the same amount of force.
Speed that stays the same is....
True or false: the pull of gravity on an object does NOT give an object its weight.
false
a force that pulls objects toward the center of the Earth
gravity
A force that opposes motion
friction
Define FORCE.
a push or pull
True or false: The position of a moving object changes.
True
The pull of gravity affects an object’s:
weight
The amount of matter an object has
a force that requires contact
contact force
A ball is laying on the ground. Someone comes and kicks the ball, making it move. What caused the ball to move?
Force (contact force)
What is the position of Mr. Amado or Miss Rios?
Answers vary
What force causes a picture to fall to the ground if you drop it?
Gravity
a force that pulls objects that have iron
magnetism
the rate at which an object changes position
speed
Answers vary - using brakes, dragging something, sliding, etc.
How can you describe the position of an object?
Words or numbers
True or false: The pull of gravity is GREATER the farther you are from Earth’s center.
False
Define POSITION.
the location of an object
change in the position of an object
What is the difference between a balanced force and an unbalanced force?
balanced: forces that work together and make no change in motion
unbalanced: causes the motion of an object to change
Give an example of something that has variable speed.
Answers vary: rollercoaster, someone running, a moving car
True or false: The pull of gravity is greater on an object with more mass.
True
What is a NONCONTACT FORCE?
a force that pushes or pulls an object without touching it
Define variable speed.
when an object changes speed as it moves