Definitions 1
The change in the position and distance away from the starting point of an object is known as this.
Displacement
The tendency for an object resist change in motion
inertia
DAILY DOUBLE
A jogger goes from being stationary to 9m/s in 6 seconds. What is the runners acceleration?
Newton's 3rd law nickname
Action/ reaction
A Window blinds is what type of simple machine?
Pulley
A grooved wheel fitted with a rope or chain
Pulley
the motion of objects that fall due to gravity alone with no other forces acting upon them
Free fall
Wha is the acceleration of a car traveling at 10 meters per second that takes 20 seconds to stop?
0.5 m/s2
True or False.
Acceleration can be negative and positve.
true
A Tweezer is what type of simple machine? Class?
3rd lever
The total amount an object moves is known as this.
Distance
What is the x-axis on a velocity vs. time graph?
Acceleration
A runner runs one lap around the track which is 400. meters the run at a speed of 6.67m/s.
How long did it take for them to run around the track
60.0 sec.
What is Newton's 2nd Law of Motion?
Expressed as F = ma, states that the force (F) acting on an object is equal to its mass (m) multiplied by its acceleration (a), meaning a larger force is needed to accelerate a heavier object.
DAILY DOUBLE
What is the speed of a wagon that travels 80 meters in 5 seconds?
The rate at which an object's position changes with direction. (Speed and Direction)
Velocity
determined by an object's mass as well as gravity pulling down on it?
Weight
If an object with a mass of 54.00 kg moves with a velocity of 3.00 m/s on a bridge for 3.0 s, What is it's energy (J)?
486J
Newton's 1st Law
An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force.
Name all the m simple machines in a Wheelbarrow? (3)
Lever 2nd class
Wheel and Axis
Inclined Plane
The distance traveled over time.
Speed
The units for acceleration can look like this
m/s2
Stan walks 10km west to the grocery store. He shops then walks back 10km east to his house. What distance and displacment did he cover?
Distance: 20 km
Displacement: 0 km away
What is Johnny's total displacement if he walks 2 miles to the school, and then takes the short cut back home that takes 1 mile?
1 mile
Draw a picture with labels of all 3 levers
Input_____ Fulcrum _____Output
Fulcrum_____ Out _____In
Fulcrum_____ In_____ Out