Force
Which of these is not a force?
push, pull, mass, gravity
What is mass?
This is the place where an object is located.
What is position?
The force that slows down a moving object when two objects collide.
What is friction?
A force that pulls a book down to the ground when you drop it?
What is gravity?
Pam pulls four classroom objects with the same amount of force. Which object will MOST LIKELY move fastest?
desk, pencil, chair, textbook
What is a pencil?
This force does not cause change in motion.
What is balanced forces?
Without friction you would ____________ and ___________.
What is slip and slide?
The mass of a bowling ball is ___________ than the mass of a ping-pong ball.
What is greater?
Kelly holds an eraser above her desk and she lets go of it. In which direction is the pull of gravity on the eraser.
What is down?
A push or pull that cause objects to change their motion
What is a force?
Always causes a change in motion.
What is an unbalanced force?
Which pair of objects do you think would produce the least friction when rubbed together?
1. two sheets of sandpaper 2. two ice cubes 3. a sheet of sandpaper & ice cube
What is two ice cubes?
If you hit a bowling ball and a ping-pong ball with the same force, which ball will move farther and faster?
What is a ping-pong ball?
Positive and negatives attracts.
What is magnetism?
A measure of how far an object moves in a certain amount of time.
What is speed?
Friction is a force that _______________ or ________________ motion between two surfaces that touch each other.
What is slows or stops?
An object with less mass will move __________ and ______________.
What is faster and farther?
Earth has _______________ than the moon.
What is more mass?
The effect of a balanced force on an object will cause ________.
What is no motion?
One way to reduce friction.
1. What is add slippery matter 2. Add wheels 3. Use rolling metal balls
A measure of speed in a certain direction.
What is velocity?
If you throw a ball to a friend, gravity changes the ball's _________ and _________.
What is speed and direction?