# Study sets matching "momentum"

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Velocity, motion, kinetic energy and ma…

No velocity, no kinetic energy, no moti…

1/2mv^2

ma

An object with momentum also has . . .

An object with NO momentum has . . .

KE=?

F=?

Velocity, motion, kinetic energy and ma…

An object with momentum also has . . .

No velocity, no kinetic energy, no moti…

An object with NO momentum has . . .

Law of conservation of momentum

Inertia

Excelleration

average speed

When objects collide, the total initial momentum equals the to…

The tendency of an object to resist a change in motion

Rate of change of velocity

the total distance traveled divided by the time it takes to tr…

Law of conservation of momentum

When objects collide, the total initial momentum equals the to…

Inertia

The tendency of an object to resist a change in motion

momentum

p=mv (p.s. remember to consider directi…

doubles; quadruples

law of conservation of momentum

inertia in motion; vector quantity

momentum equation

when the speed of an object is doubled, the momentum _________…

when a system has interacting objects, the total momentum of t…

momentum

inertia in motion; vector quantity

p=mv (p.s. remember to consider directi…

momentum equation

Equation for momentum

Equation for change in momentum

Newton's second law and derived equation

Impulse of a force definition and units

p = mv

∆p = mv - mu

-The net force acting on an object is equal to the rate of cha…

-Force acting on an object × time for which force acts... -Measur…

Equation for momentum

p = mv

Equation for change in momentum

∆p = mv - mu

Newton's 1st law

Newton's 2nd Law

Newton's 3rd law

action forces

an object at rest will remain in rest unless acted upon by a n…

the acceleration of an object is equal to the net force acting…

for every action there is an equal and opposite reaction

the one that first causes another force to respond

Newton's 1st law

an object at rest will remain in rest unless acted upon by a n…

Newton's 2nd Law

the acceleration of an object is equal to the net force acting…

State Newton's first law of motion

State Newton's second law of motion

State Newton's third law of motion

State the four fundamental forces

An object will remain at rest or continue to move with constan…

The net (resultant) force acting on an object is directly prop…

When two objects interact, they exert equal and opposite force…

- Gravitational... - Electromagnetic... - Strong nuclear... - Weak nucl…

State Newton's first law of motion

An object will remain at rest or continue to move with constan…

State Newton's second law of motion

The net (resultant) force acting on an object is directly prop…

Give equation for work done.

How is work done related to energy tran…

Give equation for work done at an angle

Describe kinetic energy

Work done = force x distance moved in direction of force... W = Fx

Work done = energy transferred

W = F x cos σ

Kinetic energy - energy due to motion of an object with mass

Give equation for work done.

Work done = force x distance moved in direction of force... W = Fx

How is work done related to energy tran…

Work done = energy transferred

Momentum, "quantity of motion"

velocity (m/s)

(kg x m/s)

strength

Name the characteristic of a moving object that is related to…

The momentum of a moving object can be determined by multiplyi…

The unit for momentum is :

Like velocity and force momentum is described in both directio…

Momentum, "quantity of motion"

Name the characteristic of a moving object that is related to…

velocity (m/s)

The momentum of a moving object can be determined by multiplyi…

Give equation for net force

Give equation for weight

Define centre of mass

Define centre of gravity

F = m a

W = m g

Centre of mass - point on an object through which any external…

Centre of gravity - coincides with centre of mass, point throu…

Give equation for net force

F = m a

Give equation for weight

W = m g

Give equation for average speed

Give equation for average velocity

SUVAT equations: a

SUVAT equations: s

avg. speed = distance travelled/time taken... v = ∆x/∆t

avg. velocity = change in displacement/time taken... v = ∆s/∆t

a = v-u / t

s = ut + 0.5 at²... s = 0.5(u+v)t

Give equation for average speed

avg. speed = distance travelled/time taken... v = ∆x/∆t

Give equation for average velocity

avg. velocity = change in displacement/time taken... v = ∆s/∆t

Gravity

Definition: Law of Orbit (Kepler's Laws…

Ellipse (Kepler's Laws)

Definition: Law of Area (Kellers Laws o…

forces of attraction between any two objects that have mass

planets move in elliptical orbits with sun at one focus

an imaginary line drawn from sun to the planet sweeps equal ar…

Gravity

forces of attraction between any two objects that have mass

Definition: Law of Orbit (Kepler's Laws…

planets move in elliptical orbits with sun at one focus

Acceleration

Average Speed

Inertia

Instantaneous Speed

change in velocity divided by the time it takes for the change…

dividing the total distance traveled by the time taken

the tendency to resist change

the speed of an object at an instant point in time

Acceleration

change in velocity divided by the time it takes for the change…

Average Speed

dividing the total distance traveled by the time taken

What is the superposition of waves?

What happens when two waves superpose?

State the principle of superposition

Define interference

Superposition - the overlap of two waves at a point in space

They produce a single wave

Principle of superposition - when two waves meet at a point th…

Interference - the superposition of two progressive waves from…

What is the superposition of waves?

Superposition - the overlap of two waves at a point in space

What happens when two waves superpose?

They produce a single wave

mass (kg) x velocity (m/s)

momentum

conservation of momentum

resultant force enacted on an object fo…

momentum (kg m/s)

vector quantity. product of an objects mass and velocity

the total momentum before an event = total momentum after an e…

causes change in momentum

mass (kg) x velocity (m/s)

momentum (kg m/s)

momentum

vector quantity. product of an objects mass and velocity

Physics AS - Conservation Laws (1. Cons…

Physics AS - Conservation Laws (1. Cons…

Physics AS - Conservation Laws (1. Cons…

Physics AS - Conservation Laws (1. Cons…

Conservation Laws in Particle Physics

Conservation laws help us determine what particle interactions…

Conservation of Energy and Momentum

1) Energy... 2) Momentum

Physics AS - Conservation Laws (1. Cons…

Conservation Laws in Particle Physics

Physics AS - Conservation Laws (1. Cons…

Conservation laws help us determine what particle interactions…

the sum of the individual momenta of ea…

the product of the force acting on a sy…

A force applied to a system from the ou…

A system that does not gain or loose ma…

Net momentum

Impulse

External force

Closed system

the sum of the individual momenta of ea…

Net momentum

the product of the force acting on a sy…

Impulse

When the mass of an object increases an…

Which variable is dependent upon locati…

When the force acting on a mass increas…

Two football players are running at eac…

acceleration decreases

weight

acceleration increases

128 kg*m/s right

When the mass of an object increases an…

acceleration decreases

Which variable is dependent upon locati…

weight

What is the main store of energy in a m…

Name a factor that affects thinking dis…

What is the equation for stopping dista…

If an object is balanced with another o…

kinetic energy

drinking alcohol

stopping distance = thinking distance + braking distance

the clockwise and the anti-clockwise moment are equal

What is the main store of energy in a m…

kinetic energy

Name a factor that affects thinking dis…

drinking alcohol

What is a projectile?

When can you assume viy=0?

When can you assume Δy=0?

What is the acceleration of a projectil…

An object not touching anything but the air: the only force ac…

Horizontal launch/throw

Starts and ends @ same height: toss and catch, kick from groun…

ax=0m/s2 , ay=9.8m/s2

What is a projectile?

An object not touching anything but the air: the only force ac…

When can you assume viy=0?

Horizontal launch/throw