Is gravity one of the fundamental interactions seen on earth?
100
Yes
Does projectile motion involve constant acceleration?
100
The sum of kinetic energy and all forms of potential energy
What is Mechanical Energy
100
Friction
When surfaces slide or tend to slide over one another, a force of_____happens.
200
What is kinetic energy defined as?
What is kinetic energy defined as?
It is known as work needed to accelerate an object from original velocity to current velocity
200
Yes they are directly proportional
Is an objects weight proportional to its mass?
200
an object that is thrown
What is Projectile
200
all objects continue in a state of rest or of motion in a straight line at a constant speed, unless it changes due to forces exerted upon it
What is Newton's 1st Law
200
What is Free Fall
Motion under the influences of gravitational pull only.
300
When energy is stored within an object what is it called?
Potential energy
300
Force
The weight of an object is equal to the_____ exerted onto the object by gravity.
300
what is a Earth Satelite
What is a projectile that falls around earth instead of into earth
300
Energy cannot be created or destroyed it may be transformed from one form to another
What is Newton's Law of Conservation of Energy
300
What is Inertia
Tendency of things to resist change in motion is
400
Is a compressed spring an example of potential or kinetic energy?
Potential Energy
400
The formation of tides
How can the gravity of the moon be observed on earth?
400
They are all projectiles
What does throwing a ball, shooting a gun and tossing a coin have in common
400
Units of Force
What is Newtons (N) what does the (N) stand for
400
Physic-1300
What is the course number of this class
500
How is energy created and destroyed?
Energy cannot be created or destroyed
500
Yes the gravity is constant
On earth is the acceleration due to gravity constant?
500
What is a Parabola.
The trajectory of a projectile that accelerates only in the vertical direction while moving at a constant horizontal velocity is what
500
what is Kepler
Who was the 1st to coin the word satelite
500
the SI unit of work or energy, equal to the work done by a force of one newton when its point of application moves one meter in the direction of action of the force, equivalent to one 3600th of a watt-hour.