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On a distance time graph, what is on the x-axis (horizontal)
time
On a distance time graph, what is on the y-axis (vertical)
distance
Mr. Jesse ran 100 meters in 20 seconds. What is his speed in m/s?
100/20 = 5 m/s
A dog ran 200 meters in 10 seconds. What was its speed in m/s?
200/10 = 20 m/s
What tool do we use to measure speed?
Speedometer (Or measure distance divided by time)
What tool do we use to measure distance?
Ruler or tape measure
What are 3 ways to describe a motion? (Where is it? Where is it going? How fast is it going?)
Position, direction, speed
An object that is moving is in ___________
motion
An object that is not moving is at ________.
rest
What tool do we use to measure force?
Spring balance
A spring balance has an object on it and the spring is pulled to 20. What unit of measurement could it be?
Newton or grams
An object is pushed on ice and a bumpy road. On which surface will the object travel further?
The ice
A toy car and a real car are pushed on the same surface. Which will travel the shortest distance?
The car (It has more mass)
A ball and a box of the same mass are pushed on the same surface. Which will travel further?
The ball
Which will speed up an object? Pushing in the direction of motion or opposite the direction of motion.
Pushing in the direction of motion
Friction will slow down the motion of an object. Is the direction of the force of friction is the same direction as an object's motion or the opposite direction?
Friction force is always opposite an object's motion
