Units and Measurements
Vectors
1D Motion
Motion in 2D and 3D
Newton's Laws
100
How many sig figs would you use in the answer of 10.5 x 8.8 x 3.14
Two
100
Distance is a _____ quanitity while displacement is a ______ quantity.
scalar, vector
100
What is velocity when acceleration equals zero?
Constant
100
A projectiles path is called it's ______
Trajectory
100
An applied force that always acts perpendicular to the surface in contact.
Normal Force
200
How many sig figs after the decimal would be in the answer of 12.4 + 67.37 +4.201?
One sig fig after the decimal.
200
What are the two components of a vector quantity?
Magnitude and Direction
200
On a position-time graph, the slope of the straight line joining two points on the plotted curve that are separated in time is called _____
Velocity
200
At the highest point of a trajectory, its velocity in the y-direction is ______. It's velocity in the x-direction is ______.
Zero, non-zero
200
Forces that oppose motion between surfaces
Friction forces
300
How many Significant Figures do the following numbers have?
A. 0.00017
B. 340100
C. 12.000
D. 9800000
A. 2
B. 4
C. 5
D. 2
300
Which of the following is not a vector quantity? A. Temperature B. Velocity C. Acceleration D. Displacement E. Force
A. Temperature
300
The area under the graph on an acceleration-time graph gives us ____.
The change in velocity
300
The direction of the centripetal acceleration vector is:
towards the center, radially
or -r^
300
The property of a rope, cable, etc. that applies a force to the ends
Tension
400
What are the units for velocity, acceleration, and distance?
m/s , m/s2, m
400
The method for how vectors are added graphically in a scale drawing
What is tip to tail
400
The relationship between instantaneous velocity and instantaneous speed.
Instantaneous speed is the magnitude of instantaneous velocity.
400
The time at which y=0
Hang time
400
The force of gravity is
mass x gravity (9.8m/s^2)
500
The ratio of M/m of the prefixes M and m has what value?
10^9
500
The "right hand rule" is especially useful for the _____ of vectors
corss-product
500
A strobe photograph shows equally spaced images of a car moving along a straight road. If the time intervals between images are constant, which of the following cannot be positive: A. The speed of the car B. The average velocity of the car C. The acceleration of the car D. The direction of motion of the car E. The instantaneous velocity of the car.
C. Because Acceleration is Zero.
500
Angle per second describes
angular speed (
)
500
The extension of a spring is directly proportional to the force applied is defined by _____.
Hooke's Law