Kinetic energy Flashcards
what is kinetic energy
the energy an object possesses due to its union
what is the formula to find kinetic energy
Ek=1/2mv(squared)
what is the formula for potential energy
Ep=mgh
what is the formula for mechanical energy
Em = Ek + Ep
whats the formula for velocity
v = d/(delta)T(time in seconds)
what is motion
changing location as a function of time
what’s potential energy
stored energy in and object due to its position, properties, and forces acting on it
what’s kinetic energy
the energy an object has because of its motion
what’s mechanical energy
the energy of an object in motion. is equal to the kinetic energy and potential energy added together
what’s a force
an action that can change the motion of an object or deform it by pushing or pulling on it
what are the 4 fundamental forces of nature and what are they
- strong force: binds the nucleus
- electromagnetic: force binds atoms
- weak force: radioactive decay
- gravitational force: binds the solar system
what’s gravity
the force of attraction between 2 masses
what’s the unit of gravity
9.8N/kg
what’s mass
the amount of matter present in a body
what’s weight
the amount of forced exerted on a body in a gravitational field
