AP physics 1 cram sheet!
Energy
Remember to read systems carefully in order to not get the question wrong
Ex: Block earth spring system
Energy conserved in the air and when block is on the spring
block earth system,
energy is NOT conserved when in contact with the spring since the system does not include the spring.
Energy is conserved in the air though because only gravity is acting on it
Gravity stuff!!! <3
Different masses(both are the same in value but different in how they’re measured)
Inertial mass is measured by measuring an objects resistance to changes in velocity
Gravitational mass describes the force on an object in a gravitational field
Free fall: only force acting on it is gravity :)
Momentum
Types of collisions
Inelastic: energy is not conserved
perfectly inelastic: objects stick together
elastic: energy is conserved
Momentum is ALWAYS conserved
when blocks are on a ramp, gravity affects the velocity so its an OPEN system not closed
when not inclined, closed system since no outside force is affecting the velocity ❤
Energy
Remember to read systems carefully in order to not get the question wrong
Ex: Block earth spring system
Energy conserved in the air and when block is on the spring
block earth system,
energy is NOT conserved when in contact with the spring since the system does not include the spring.
Energy is conserved in the air though because only gravity is acting on it
Gravity stuff!!! <3
Different masses(both are the same in value but different in how they’re measured)
Inertial mass is measured by measuring an objects resistance to changes in velocity
Gravitational mass describes the force on an object in a gravitational field
Free fall: only force acting on it is gravity :)
Momentum
Types of collisions
Inelastic: energy is not conserved
perfectly inelastic: objects stick together
elastic: energy is conserved
Momentum is ALWAYS conserved
when blocks are on a ramp, gravity affects the velocity so its an OPEN system not closed
when not inclined, closed system since no outside force is affecting the velocity ❤