What is the resistance to change in motion ?
What is inertia
an inclined plane wrapped around a rod is known as a
what is a screw
What two factors determine how much kinetic energy an object has?
What is mass and velocity
__________ is a measure of the average kinetic energy of all the particles in an object.
What is temperature
A force of 180 N is pushing up on an object. Another force of 60 N is pushing down on the same object. What is the magnitude and direction of the net force?
what is 120 N up
__________ is the energy stored in an object due to its position.
what is potential energy
Thermal energy is the __________ energy of the particles in a material.
what is total
What is the difference between speed and velocity?
what is speed is scalar and velocity is a vector
Newton's second law relates what three values?
what is force, mass and acceleration?
When you light a fireplace, the chemical energy changes into which form of energy? (two types)
What is thermal and electromagnetic
The specific heat of a material is the amount of energy it takes to raise the temperature of __________ of the material by __________.
what is 1 g by 1 degree C
An object in free fall due to gravity will accelerate at:
what is 9.8 m/s2
Newton's Law states that for every action, there is an ______________ and _____________ reaction.
What is equal and opposite
The tension force in a cable that supports two masses, one with a mass of 20 kg and one with a mass of 30 kg.
What is 490N?
The total amount of potential and kinetic energy in a system is called __________.
The transfer of energy through matter by the direct contact of particles is called __________.
what is conduction
What does the slope of a distance-time graph tell you
what is velocity
An object is on a table. It is not moving. One force of 15 N is acting to the right and another force of 15 N is acting the left. The magnitude and direction of the net force is _______________ and forces are _________.
what is 0 and balanced
Sam weighs 720 Newtons. He runs up a flight of stairs that rise 7 meters. It takes him 24 seconds. What is his power
what is 210 W
How much kinetic energy does a moving object have if its mass is 100 kg and it is moving at a speed of 5 meters per second?
what is 1250 J
What is the absolute temperature scale used by most scientists?
What is Kelvin