Physics Toolkit
Representing Motion
Accelerated Motion
Forces in One Dimension
Forces in Two Dimensions
100
a type of relationship that is represented by a straight line on a graph
What is linear?
100
What type of diagram is represented by taking a series of photographs at equal time intervals of a moving object
What is a motion diagram?
100
The length of time it will take a car accelerating uniformly at 1.5 m/s^2 to reach the speed of 65 m/s?
What is 43 seconds? t = v/a = 65/1.5 = 43
100
"An object that is at rest will remain at rest, and an object that is moving will continue to move in a straight line with constant speed, if an only if the net force acting on the object is zero."
What is Newton's first law?
100
a resultant can be determined graphically by placing the vectors in what position?
What is tip to tail
200
the most precise measurement of the following numbers 2.35, 235, 0.235, 0.0235
What is 0.0235
200
Vector components for "speed" and "distance"
What is velocity and displacement
200
The slope of a velocity vs time graph
What is acceleration (velocity / time)?
200
In a free body diagram, the force arrows always point where?
What is away from the particle?
200
A person's displacement if they walk 200.0 meters north and 75.0 meters east.
What is 214 meters?
300
An explanation supported by experimental results.
What is a scientific theory.
300
the slope of a position vs time graph
What is velocity? (position / time) - know how to get this off an actual chart
300
If a scooter accelerates from 1.5 m/s to 3.0 m/s in 5 seconds, the average acceleration
What is 0.30 m/s^2 vf = vi + at 3.0 = 1.5 + a*5 a = 0.30 m/s^2
300
a person drives 15km east, then 40 km north, and then drives 5 km west - find distance and displacement.
What is distance = 60 km, displacement = 41 km r^2 = 10^2 + 40^2 = r = 41 km
300
The function for the length of the side adjacent to the angle divided by the length of the hypotenuse.
What is cosine?
400
The apparent shift in position of an object when it is viewed from various angles.
What is parallax
400
The absolute value of the slope on a position vs. time graph
What is speed?
400
an objects motion when it has a negative velocity and positive acceleration
What is slowing down in a negative direction?
400
the force required to accelerate at 10 kg bowling ball at 1.5 m/s^2 forward.
What is 15 N forward? F = ma = 10kg * 1.5 m/s^2
400
the resultant of a 20.00 m displacement and a 8.00 meter displacement when the angle between them is 60 degrees.
What is 17.4 m r^2 = (20)^2+(8)^2 - 2(20)(8)cos60 r^2 = 304 r = 17.4 m
500
a picometer in scientific notation
What is 10 E-12
500
An object's velocity is 2.0 m/s, how long it takes to reach 40 meters?
What is 20 seconds? t = (xf - xi) / v
500
a jogger passes the starting line at 0.4 m/s. If the runners acceleration is 0.20 m/s^2, what is their velocity three seconds after passing the starting line>
What is 1.0 m/s? Vf = Vi + at Vf = 0.40 + (0.20)*3 = 1.0 m/s
500
the mass of a person who weighs 1470 N?
What is 150 kg? f = ma 1470 = m * 9.8
500
A 600 N truck is stopped on a ramp that is 30 degrees above the horizontal. Determine the components of the weight force.
What is Fgx (parallel) and Fgy (perpendicular) Fgx = - 600 sin 30 = - 300 N Fgy = - 600 cos 30 = -520 N