Motion
Motion is described by an object's __________ and ________.
What are Direction and Speed
Newton's Law that states that for every action there is an equal and an opposite reaction.
What is Newton's Third Law?
Stored energy
What is Potential Energy
The energy of motion
What is Kinetic Energy?
The formula to calculate force.
What is F=ma?
Up, Down, Foward, Backwards, etc. are examples of this.
What is direction?
The Force that occurs when matter rubs against matter.
What is Friction?
The object with the most potential energy in this scenario:
The clock (on the shelf) and the stapler (on Mr. Lawyer's desk) have the same mass.
What is the clock?
The pitch with more kinetic energy: A fast ball thrown by Zac Gallen., or an underhanded pitch thrown by Mr. Lawyer?
What is a fast ball thrown by Zac Gallen?
The formula for acceleration when Force and mass are given.
What is a=F/m?
Speed equals ________ _________ dived by ________ spent moving.
What are distance traveled and time?
Newton's Law that explains why Ms. Green flew off her bike when she crashed into a parked car.
What is Newton's First Law?
The _________ an object is the more potential energy it has.
What is higher?
All objects of this type have kinetic energy.
What is moving?
Gravitational Potential Energy
GPE = mgh
GPE = Weight x Height
Mr. Johnson and Dr. Lewis are arm wrestling, Mr. Johnson pushes at 330 kg to the left and Dr. Lewis pulls at 215 kg to the right. What is the amount of unbalanced force?
What is 115 kg?
This is produced any time there is friction.
What is heat?
The child with the greater potential energy: Two children on top of a slide. One child has a mass of 25 kg. The other has a mass of 27 kg.
What is the child with the mass of 27 kg?
The student with the most kinetic energy: One student sleeps in class while another student writes a 5-paragraph essay.
What is the student who writes an essay?
Kinetic Energy
KE = 1/2 mv2
KE = mv2/2Unless acted on by a force, objects in ________ tend to stay in _______, and objects in _____ tend to stay in _____.
What are motion, motion, rest and rest?
A push or pull causes an object to move, stop, or change speed or direction, are explained by these two laws.
What are Newton's First and Second Laws?
Newton's law that describes objects with potential energy.
What is Newton's First Law?
The point on a roller coaster where kinetic energy is at its highest.
What is the bottom of the hill?
The force of a cannonball with a mass of 20 kg that is fired from a cannon and accelerates at a rate of 66 m/s2.
What is 1320 Newtons?