Physics

___________ is the rate at which distance is traveled

______ is speed with direction

_________speed is speed at any moment

_________ speed is the totale distance divided by total time for a trip

___________ is the rate at which velocity changes

a __________ has both magnitude and direction

if you walk away from a motion detector, the distance-time graph slopes _______

if you walk towards a motion detector, the distance-time graph slopes ________

if you stand still, the distance-time graph is ________

if you walk towards the motion detector, the velocity is _________

if you walk away from the motion detector, the velocity is _________

if you stand still, the velocity is _______________

if you walk more quickly, the slope of the graph is _________

the word __________ means size or amount

if you are standing on a moving bus, you are at rest _______ to the bus, but moving ______ to the ground outside

___________ is measured in the unit m/s²

a ____________ has magnitude but no direction

____________ is the stretching force in a string

the sum of two vectors is called the _________

an object moving in the air only affected by gravity is called a _____________

a vector can be resolved into two _______________, horizontal and vertical

______________ is the force between objects as they slide across each other

__________ is an object's resistance to a change in its motion

an object's ________ changes as the object moves from the Earth to the moon

an object's ______ doesnt change as it moves from the Earth to the moon

__________ is the unit for force

__________ is the quantity of matter in an object, it is measured in kilograms

_____ is the force of gravity on an object

the combination of all forces acting on an object is called the _______________

A book sits on the table. The table pushes up on it. The name of this force is the __________ force

__________________ is when the net force on an object is zero

if i push a box to the right, the direction of friction on it is to the ____________

___________ is the unit for pressure

Newton's third law says that when two objects collide, the forces on them are always ___________

A skydiver moves at a constant speed called the ___________ speed when her weight equals the force of air resistance on her

as a skydiver's speed increases, the force of air resistance on her _________________

______________ is the amount of force per area

What does Newton's third law say?

What does Newton's first law say?

__________ causes a change in momentum

an objects ____________ depends on its mass and velocity

The law of ____________________________ says that the total momentum of two objects before a collision is the same as the total momentum after the collision

an ____________ collision occurs when two objects bounce

an _________________ collision occurs when two objects stick together

an ________________ is when two objects start together and end separate

________ is done when an object is moved by a force

______________ is the unit at which work and energy are measured

________ is the rate at which work is done

one ________ equals one joule per second

______________ energy is stored energy

if you lift an object, you give it ___________________ potential energy

if an object is moving, it has ______ energy

the law of ________________________________ states that energy can neither be created or destroyed

If you hold an object above the ground, it has ___________________ energy. As it falls, it gains ___________ energy and loses _______ energy. The total amount of energy at any point in its fall is ____________.

A force that acts perpendicular to the motion of an object is called the _____________ force and it makes the object ______________________________________.

The gravitational force between two objects depends on their ________________ and the ________ between their centers