calculations
if carl is going 2 m/s in 10 seconds, how far would he go?
20m
what is a meter?
a measurement for distance
what is the standard measurement for time?
seconds
Displacement is the length from the
____ point to the ___ point
starting, ending
what is newton's second law of motion?
The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.
if jimbo's lawnmower went 2m/s, but speed up to 10m/s in 4 seconds, what was the lwanmowers acceleration?
2m/s2
define distance
the length of a path between two points
force of attraction between any two objects in the universe
gravity
An object at ____ will remain at ____ and an object in motion will continue moving at a constant velocity unless acted upon by a net force.
rest, rest
Describe how mass and inertia are related.
inertia increases as mass increase
if jared pushes on a cart with a force of 4N, but the high winds push back with 2N, what is the net force on the cart?
2N
define free fall
When gravity is the only force acting on an object
tendency of an object to resist any change in its motion
inertia
Balanced Forces are forces acting on an object that are ____ in direction and ____ in size
opposite, equal
what is the acceleration due to gravity on earth?
9.8m/s2
What force would be required to accelerate a 6kg mass by 4m/s2?
24
define force
a push or pull that one body exerts on another
the rate at which velocity changes
acceleration
in a distance-time graph, ___ tells me speed, while the ____ part, tells me the object has stopped moving
slope, horizontal
which has stronger gravity, jupiter or the earth?
jupiter
solar's laptop weights 19.6N, what is the laptop's mass?
2kg
define friction
a force that opposes the motion of objects that touch as they move past each other.
the ratio of the distance (d) an object moves to the amount of time (t) the object moves
speed/velocity
while ___ doesn't depend on gravity, ___ does
mass, weight
equation for velocity
v=d/t