When acceleration and velocity are in the same direction, the speed will _______________
What is increase?
Deals with inertia?
What is Newton's First Law?
What is decrease?
Says force equals mass times acceleration?
What is Newton's 2nd Law?
What two measurements are needed to determine the speed of an object?
What is distance and time?
Force is when ____________________________.
You push or pull an object.
States that whenever one object exerts a force on a second object, the second object exerts an equal and opposite force on the first.
What is Newton's 3rd law?
The ability to cause change.
What is energy?
How can you tell if Mrs. McMinn is moving faster than Mr. McMinn?
The faster person will pass the slower person.
What is reference point?
What is gravity?
Objects traveling in _____________ motion experience centripetal acceleration?
What is circular?
What describes the tendency of a moving object to continue moving at the same velocity?
What is inertia?
The sum of all kinetic and potential energy?
What is mechanical energy?
How do you slow down something that is moving at fast speed?
Friction!
Mrs. McMinn is using a hammer to hit a nail into the board on the classroom floor. How does gravity make it easier to hammer the nail?
What is gravity pulls the hammer down so that is pushes on nail?
A truck travels in a straight line. The driver applies the brakes and comes to an abrupt stop. During braking, what happens to the velocity and acceleration vectors?
What is they point in opposite directions?
A cup of soda pop is left on the roof of a car. When the car begins to move, the soda pop does not move forward with the car. Instead, it falls off. What reasoning describes what happened to the soda pop?
What is inertia?
Inertia kept the soda pop from moving while the car moved forward.