Motion 1
The change in the initial position and final position is known as what?
Displacement
What is a car doing if on a speed-time graph it is a diagonal line going down?
slowing down
If Joe runs 4 miles in 1 hour and Bob runs 2 miles in 20 minutes, who is faster?
Bob is faster
True or False.
Displacement and Acceleration can be negative or positive?
True
Motion of a car if the line on the distance-time graph is horizontal.
Not moving
This is the type of friction moving objects have.
What is sliding friction?
What is the equation for average speed?
s=d/t
What is the acceleration of a car traveling at 10 meters per second that takes 20 seconds to stop?
-0.5 m/s2
Preston walks 10km west to the grocery store. He shops and then walks back 10km east to his house. What was the distance that he covered?
20km
The metric units for distance and displacement
meter
The amount an object moves is known as this.
Distance
The starting point you choose to describe the location or position of an object?
Reference Point
This is where an object is located
position
The rate of change in velocity is known as this.
acceleration
Acceleration is calculated using this equation.
change in velocity over time
you must overcome this type of friction to get an object to move.
What is static friction.
The three types of friction.
What are static, sliding and rolling?
What are the three ways an object can accelerate?
Speed up, slow down, or change direction
Motion of a car if the line on a distance-time graph is curving upward.
Speeding up
The slope of a distance vs. time graph represents this.
speed
The magnitude of an object’s motion with no regard to direction is this.
Speed
The units for acceleration are this.
m/s2
A graph that can help you predict the speed of a moving object.
Distance-Time Graph
What is Johnny's total displacement if he walks 2 miles to the school, and then takes the short cut back home that is only 1 mile?
zero
The SI unit representing speed or velocity
m/s