Measurements & Numbers
______ are the strongest shape.
Triangles
What is the movement along a straight line?
1D Motion.
What is the term for the speed and direction of an object's motion?
Velocity.
What is distance?
The length of the path traveled.
What is the equation for net force?
Fnet = Fapp - Ffrict
The modern number system came from _____.
India
What is constant speed?
Covering the same distance in the same amount of time.
The rate of change of velocity is known as what?
Acceleration
Displacement.
What is the name for the force that acts on an object due to gravity, often represented as "mg," where "m" is the mass of the object and "g" is the acceleration due to gravity?
Weight
What is the Design Thinking process in order?
Empathize, Define, Ideate, Prototype, Test
What is acceleration?
Speeding up or slowing down in a direction.
On a D-T graph, how is acceleration shown?
A curved line.
Which variable does "v" represent in the kinematic equations?
Final Velocity
What is the force that opposes the relative motion or tendency of such motion between two surfaces in contact?
Friction.
What is interpolation and extrapolation?
Interpolation: Within the graph.
Extrapolation: Outside/Beyond the graph.
What is the speed formula?
When an object's velocity is constant, what is its acceleration?
zero, 0 m/s^2
What is your starting position represented as in a Kinematics equation?
Xo, "x not"
What is the name for the fundamental scientific law that states, "An object at rest tends to stay at rest, and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an unbalanced force"?
Newton's First Law of Motion.
What is 2,500 in scientific notation?
2.5 x 10^3
What does the slope of a velocity-time graph represent
If a D-T graph is a straight horizontal line, what can you say about the object's motion?
Object is at rest, not moving.
What is the number for gravity?
9.8m/s^2
What is acceleration during terminal velocity?
a = 0