What is An object at rest will stay at rest and an object in motion will stay in motion untill an unbalanced force acts upon it.
100
What is the proper units for force?
What is Newtons
100
If a plane flew 2200 meters in 10 seconds. What is its speed?
What is 2200 meters/10 seconds = 22 m/s
100
The force that always opposes motion?
What is Friction
100
A machine that uses one movement. EX (pulley ans inclined plane)
What is simple
200
F=MxA
What is Newton's Second Law of Motion
200
The formula for speed is
What is speed = distance/time
200
That rate at which an objects moves is called
What is speed
200
The Sam pulls the rope while the Sofia pushes the cart. Both students use a ________
What is force
200
Has sloped surface, often called a ramp
What is Inclinced plane
300
For every action there is an equal and opposite reaction
What is Newton's Third Law of Motion (Action/Reaction)
300
The formula for velocity is?
What is Speed with a direction or S=(D/T) with Direction
300
Josh ran east in the 100 m dash. With a time of 20 seconds. What was his velocity
What is 5 m/s east
300
When all forces acting on an object are not equal, the force is said to be _______________
What is unbalanced
300
How does increasing the number of pulleys affect the effort force needed to raise a heavy weight?
What is more pulleys makes the effort force easier
400
Give an example of Newton's 2nd law of motion
answers vary
400
Kate is able to pull a rope with a force of 13 Newtons to the right and Peter is only able to pull the rope with a force of 10 Newtons to the left. What is the net force?
What is 3 Newtons right
400
A turtle runs at 0.50 m/s north on a treadmill and the treadmill goes 0.60 m/s south. What is the resultant velocity?
What is 0.10 m/s south
400
You ________ forces going in the same direction and you ___________ forces going in the opposite direction to get net force
What is add and subtract
400
The number of times the applied force is increased is the definition of
What is Mechanical Advantage
500
Give an example of Newton's third law of motion
Answers will vary
500
To help you determine if an object is in motion you may use
What is a Reference Point
500
To determine the resultant velocity, you ___ velocities in the same direction, and ______ velocities in the oppsite direction
What is add and subtract
500
Forces always occur in ____________, never acting alone
What is pairs
500
This kind of pulley changes the direction of the force where the other kind of pulley does not.