Work out the speed of a car traveling: 100m in 10s
What is 10m/s
On a line graph the x-axis (horizontal axis) will be the a. independent variable b. dependent variable c. it does not matter
What is a. independent variable
What has more inertia? A hippo or a ping pong ball?
What is a hippo
True or False: An object in motion will stay in motion unless acted upon by an outside force.
What is True
What is Alan's speed at F?
F = 5 m/s
________ is a measure of the force of gravity acting on an object, while ________ is a measure of how much matter an object has.
Weight, Mass
If you say,"A bird is going 30mi/hr west." you are stating its _______.
What is Velocity
Which graph best represents a car coming back?
What is B.
Describe Alan's run in this SPEED/TIME graph from points O-A.
OA= Alan is speeding up
Force, Velocity, and Acceleration are a ________ quantity, meaning they have both magnitude and direction.
A change in velocity over time is ________
What is acceleration
Which shows that the car has stopped?
What is C.
Describe Alan's run in this SPEED/TIME graph from points A-C.
AB= He stays at a constant speed of 10m/s for 5 secs
BC=Alan is getting tired & starts to decrease his speed
Force is equal to __________
________ is a measure of how fast something moves, while ________ is how fast something moves and the direction of motion of that object.
Speed, Velocity
Which shows decreasing speed?
What is D?
Describe Alan's run in this SPEED/TIME graph from points D-F.
DE=Alan Speeds up
EF= & stays at a constant speed of 5m/s.
What happens to an object if its net force is greater than zero?
Its motion changes
What is the property of matter to resist changes in motion?
Inertia