A force that describes the word move
motion
what is motion.
motion is the movement of something.
why is velocity negative?
Velocity is the derivative of position.
what is gravity?
force that attracts all things with mass or energy.
what is friction
force that resists the relative motion of two surfaces or objects in contact.
A force that keeps everything to the ground.
Gravity
the change of ______ can determine yours speed
motion
Explain the main differences and similarities between velocity and speed.
speed doesn't depends on nature of the path
OR velocity is moving at a distance or turning while moving.
Megan throws a paper airplane. How will gravity make the airplane move?
down toward the ground
how is friction made?
Created by two surfaces interacting.
What is the force that keeps a book falling after it is released?
gravity
move
Apply a force to an object, and you could change its
speed or direction, or both
What is true about of Earth's gravity?
It pulls objects toward the Earth's surface without touching them.
how is friction reduced?
Kyle and Jon are both pushing the same box. Kyle is pushing to the right. Jon is pushing to the left. Which of these would make the box move to the left?
Jon and Kyle push the box with the same amount of force.
what is motion in physics.
phenomenon or change in position or orientation of an object with respect to time or its surroundings.
what is meant by velocity?
Vector quantity.
what does gravity do?
keeps everything equal to earth mass.
How is friction increased?
Mark uses the same amount of force and time to push a small plastic container and then a much larger plastic container, both filled with water. Which BEST describes the motion and speed of the containers?
The smaller container will move faster and farther.
what puts a object in motion.
unbalanced force.
What is meant by constant velocity?
velocity that a particle acquires as a result of a particle crossing an equal linear path at certain time intervals.
what would happen if we had no gravity?
Everything would float away into space.
how is friction used with our shoes.
prevents our shoes slipping on the pavement.