Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
52 Cards in this Set
- Front
- Back
|
What always changes in circular motion. Why? |
Velocity |
|
|
What is always constant in cricular motiom |
Tangential speed |
|
|
Centripetal and centrifugal diff |
Centripetal- going center Centrufugal-away |
|
|
Relationshio if velocity and acceleration in circular motion |
Perpendicular |
|
|
The combination of horizontal and vertical motion (3D) |
Projectile motion |
|
|
It slows down motion |
Air resistance |
|
|
2 types of peojectile motio |
Ideal projectile motion Realistic projectile motion |
|
|
Projectile motion with air resistance |
Realistic Preojectile Motion |
|
|
Projectile motion with no air resistance |
Ideal projectile motion |
|
|
The object in projectile motion |
Projectile |
|
|
Pathway of object in projectile motion |
Trajectory |
|
|
The horizontal distance of projectile |
Range |
|
|
Type of force in contact |
Contact force |
|
|
Pulling on an object Found in ropes and pully
Same formula on gravity |
Tension |
|
|
Force can be found in compressed
Spring "Pushing an object" |
Compression force |
|
|
Force perpendicular to surface
|
Normal force |
|
|
Type of force in slowing down object |
Friction |
|
|
Force needed to strecth or compress a spring linearly dependent on the change in length of the spring. |
Spring force |
|
|
Vertical displacement of the projectils |
Maximum height |
|
|
Ggh |
Vh |
|
|
Hh |
Gravitational force |
|
|
attraction or repulsion between two magnets, depending on their relative orientation
Attraction of like and unlike poles
|
Electromagnetic force
|
|
|
Atomic nuclei formation |
Strong nuclear force |
|
|
Found in decaying of neutron |
Weak nuclear force |
|
|
responsible for imparting mass to all other particles, with the mass of a particular type of particle depending on how it interacts with the Higgs particle
Responsible for mass |
Higgs Particle (boson) Peter higss |
|
|
Types of cobtact force |
Tension Compression Normal Friction |
|
|
the vector sum of all force vectors that act on an object |
Net force |
|
|
Friction is proportional to normal Friction is indepemdent of the contact area and speed Friction depends on the roughness If the object is at rest trusthold |
Friction |
|
|
Friction is proportional to normal Friction is indepemdent of the contact area and speed Friction depends on the roughness If the object is at rest trusthold |
Friction |
|
|
2 types of friction |
Kinetic Static |
|
|
Forkula friction |
F=coefficient of kinetic/static frictio × normal force Greater than 0 but less than 1-coefficient |
|
|
Deals object in motion |
Kinetic friction |
|
|
Direction of kinetic motion |
Opposite of the direction of object |
|
|
Direction of kinetic motion |
Opposite of the direction of object |
|
|
What 3 law |
Inertia Acceleration Interaction |
|
|
Fundamental forces |
Gravitational force: • Electromagnetic force: • Strong nuclear force: • Weak nuclear force |
|
|
nature acting between the constituents of objects. |
Fundamental forces |
|
|
Act only on the length scales of atomic nuclei and between elementary particles. |
Strong and weak nuclear force |
|
|
object has a weight that is proportional to |
Mass |
|
|
the amount of matter in the object |
Mass |
|
|
indicates that it is responsible for the gravitational interaction. |
gravitational mass |
|
|
more massive objects seem to resist being put into motion more than the less massive ones do. |
Inertial mass |
|
|
drawing of an object, in which all connections to the rest of the world are ignored and only the force vectors that act on it are drawn, is called |
a free-body diagram. |
|
|
Forces that are present in many kinematical processes. |
Friction Force |
|
|
2 types of Friction |
Kinetic friction Static friction |
|
|
Formula for static |
Fs<=Ms N = Fs max |
|
|
Force that deals with objects in motion |
Kinetic friction |
|
|
If an object is at rest, it takes a threshold amount of force to make it move is always equal to and opposite the force exerted on the stationary object. |
The static friction force |
|
|
The two possible states for an object with no net force: |
Static equilibrium: • Dynamic equilibrium |
|
|
coefficient of kinetic friction. |
This coefficient is always equal to or greater than zero. |
|
|
coefficient of kinetic friction. |
This coefficient is always equal to or greater than zero. |
|
|
2 types with no net force |
Static and dynamic equilibrium At rest , moving |
