Which of the following is an example of an unbalanced force?
a. a rock on a table
b. Mrs. Endsley arm wrestling a student
c. a picture on a wall
d. a stump in the ground
b - of course Mrs. Endsley would win!
Net force of zero
What is balanced force?
What is the formula for speed?
S=D/T
a push or pull on an object
What is force
the speed of traveling 10.5 meters in 5 seconds (be sure to include units)
What is 2.1 m/s
action
reaction
Unbalanced force
When the net force is greater than 0
What does a horizontal line on a speed/motion graph represent?
stationary (no movement)
the amount of energy while an object is moving
What is kinetic energy
The net force of tug-of-war when one side pulls at 1000N to the right and the other pulls at 700N to the left
What is 300N to the right
balanced force
When the net force is 0
What is the difference between mass and weight?
see teacher
the amount of stored energy that can be released later
What is potential energy
Draw what a constant speed looks like on a graph.
see teacher
How many years ago did Isaac Newton formulate the Laws of Motion?
over 300 years ago
How do you know which diagonal line represents the fastest speed?
it will be the steepest
the measurement of the time it takes to travel a certain distance
What is speed
The net force of two objects pulling in opposite directions with equal force
What is zero Newtons
Give an example of Newton's 3rd Law
various
What units are used to measure force?
Newtons (N)
The total of all forces acting on an object
What is net force
the measure of the amount of matter in the object.
What is mass
What is the speed of a jet plane that travels 525 meters in 4 seconds?
131.25 m/s