# Study sets matching "physics motion"

What force holds Earth in orbit around…

What is the shape of Earth's orbit?

Where is the sun located relative to Ea…

At which point in its orbit around the…

Gravity

Ellipses

At one focus of the Earth's orbit

Pharahelium , closer

What force holds Earth in orbit around…

Gravity

What is the shape of Earth's orbit?

Ellipses

What is velocity?

What is speed?

What is acceleration?

What is deceleration?

Velocity is speed with direction, 'the rate at which an object…

Speed is the rate that distance is being covered per second.

Acceleration is the speed at which something quickens.

Deceleration is the speed at which something slows.

What is velocity?

Velocity is speed with direction, 'the rate at which an object…

What is speed?

Speed is the rate that distance is being covered per second.

distance

displacement

speed

average speed

a measure of how far an object has moved

the distance and direction an object moves from its starting p…

the rate of change of an object's position

the total distance an object travels divided by the total time…

distance

a measure of how far an object has moved

displacement

the distance and direction an object moves from its starting p…

Speed

Velocity

Acceleration

stationary

Tells us the rate at which an object moves. Defined by the dis…

Tells us the speed and direction of a moving object.

Tells us the rate speed or direction changes.

This object is ____________.

Speed

Tells us the rate at which an object moves. Defined by the dis…

Velocity

Tells us the speed and direction of a moving object.

explain why you need a frame of referen…

difference between "positive" direction…

position vector

initial position

to specify how the objects position changes

positive (x) increases ... Negative (x) decreases ... Zero (X=0) con…

x

xi

explain why you need a frame of referen…

to specify how the objects position changes

difference between "positive" direction…

positive (x) increases ... Negative (x) decreases ... Zero (X=0) con…

Frame of reference

Centre of mass

Origin

Distance

Settings from which measurements are taken

The position of an object at which we measure its position whe…

The starting place

Length travelled by an object during its motion

Frame of reference

Settings from which measurements are taken

Centre of mass

The position of an object at which we measure its position whe…

Where is the position?

Distance

Displacement

Speed definition

-Choose a reference point and measure relative to that

-Measure of the actual distance covered... -How far you have trav…

-Measure of the change in position in a given direction... - Time…

-Measure of how fast something is moving... -Measured in ms^-1

Where is the position?

-Choose a reference point and measure relative to that

Distance

-Measure of the actual distance covered... -How far you have trav…

scalar

vector

distance

displacement

measurements that only have a number with units (i.e. time)

measurements that have a number with units and direction

scalar measurement: how far something moves

vector measurement: change of position

scalar

measurements that only have a number with units (i.e. time)

vector

measurements that have a number with units and direction

Acceleration

Kinematics

The origin

Scalar

•the rate of change of velocity with respect to time... •may caus…

The study of movement

An objects location needs both a distance and a direction for…

Quantities that are those which require a magnitude (size) only

Acceleration

•the rate of change of velocity with respect to time... •may caus…

Kinematics

The study of movement

Motion

Displacement

Distance

Speed

Is the movement of mass and matter through space and time.

Change in position of an object and its direction over a perio…

How far an object travels over a period of time

How fast an object travels over a period of time

Motion

Is the movement of mass and matter through space and time.

Displacement

Change in position of an object and its direction over a perio…

Motion

Rectilinear motion

Circular motion

Path length

A body is said to be in motion when its position changes with…

Motion of an object in a straight line

Motion of an object along a circular path

Distance travelled by an object from initial point to final po…

Motion

A body is said to be in motion when its position changes with…

Rectilinear motion

Motion of an object in a straight line

is it possible to have motion in the ab…

if an object isn't moving no external f…

if an object is accelerating a force is…

if an object is not accelerating

true

false

true

no external force is acting on it

is it possible to have motion in the ab…

true

if an object isn't moving no external f…

false

motion

inertia

potential energy

kinetic energy

the action or process of moving or being moved.

a property of matter by which it continues in its existing sta…

stored energy mgh

energy of motion 1/2mv2

motion

the action or process of moving or being moved.

inertia

a property of matter by which it continues in its existing sta…

Frame of Reference

Relative Motion

Distance

Vector

A system of objects that are not moving with respect to one an…

Movement in relation to frame of reference.

Length of a path between two points.

A quantity with magnitude and direction.

Frame of Reference

A system of objects that are not moving with respect to one an…

Relative Motion

Movement in relation to frame of reference.

Speed

Instantaneous speed

average speed

displacement

a measurement of the rate a distance is travelled over a parti…

speed at a particular instant of time

average speed travelled over an entire journey

the straight line distance from your starting position, units…

Speed

a measurement of the rate a distance is travelled over a parti…

Instantaneous speed

speed at a particular instant of time

projectile motion

Assumptions

Reality

Projectile

aka two dimensional motion

The effect of air resistance can be neglected.... Earth is consid…

Air resistance slows projectile in both dimensions.... The real p…

object shot through air ... the only force that acts upon a proje…

projectile motion

aka two dimensional motion

Assumptions

The effect of air resistance can be neglected.... Earth is consid…

The distance of a body from a point aga…

The object's speed

Greater the speed of the object

Horizontal

What does a distance time graph show?

What does the gradient of a distance time graph represent?

The steeper the gradient of the line the what...

If the object is stationary on a distance time graph what is t…

The distance of a body from a point aga…

What does a distance time graph show?

The object's speed

What does the gradient of a distance time graph represent?

Distance

Displacement

Speed

Velocity

A full path covered by an object from one point to another.

Min. distance of an objects first and last position.

Speed is the rate of change in position.(without telling direc…

the speed of something in a given direction.

Distance

A full path covered by an object from one point to another.

Displacement

Min. distance of an objects first and last position.

motion

reference point

speed

total distance and total time

When an object changes position over time when compared to a r…

the object that appears to stay in place

rate at which an object moves, depends on the distance travele…

What 2 units must you know to determine speed?

motion

When an object changes position over time when compared to a r…

reference point

the object that appears to stay in place

Reference Point

Average Speed

Velocity

Acceleration

A place or object used for comparison to determine if somethin…

The total distance traveled divided by the total time

Speed in a given direction

The rate at which velocity changes

Reference Point

A place or object used for comparison to determine if somethin…

Average Speed

The total distance traveled divided by the total time