Forces
Variable Names
Motion
Shapes
Fill in the Blank
100
force is equal to
mass x acceleration
100
t stands for
time
100
measure from start point to end point
displacement
100
Half the distance from the center of a circle
radius
100
a __________ has both magnitude and direction
vector
200
This force opposes the force exerted on a sliding object
kinetic friction
200
a stands for
acceleration
200
9.8 m/s2 is the _________
acceleration due to gravity
200
the strongest shape to use for a truss bridge
a triangle
200
U.S. uses the imperial system, while the rest of the world uses the __________ system
metric
300
what is the net force
5
300
n stands for
newton
300
velocity is equal to
distance/time
300
In circular motion, N stands for
# of rotations
300
The triangular member on a bridge is known as a ________________
truss
400
force that counteracts the weight of an object
the normal force
400
𝜏 stands for
torque
400
Which quantity is represented by the slope of the graph?
Acceleration
400
The pivot point for a lever (see-saw) is called a
fulcrum
400
in order for an object to move, it must has forces that are ___________ acting on it
Unbalanced
500
How much would a 50 kg person weigh on Earth
490 N
500
Vix stands for
Initial horizontal velocity
500
How long would it take a runner to finish a 400 m race if they are running 8.5 m/s
47.1 seconds
500
A unicycle with a wheel radius of 0.5m spins its wheel 16 times. What is the total distance the unicycle traveled?
50.24 meters
500
A pulley or lever provides ____________ __________ allowing you to lift heavy objects easier.
Mechanical advantage