General Knowledge
Motion
Forces
Springs
Buoyancy
100
What are the units of Force
Newtons (N)
100
Speed + Direction
Velocity
100
A picture used to display the forces on a specific object
Free Body Diagram (FBD)
100
A value determined by the characteristics of a spring, besides the amount the spring has been stretched
Spring Constant
100
True or False: Assuming they all have the same mass, boats that have more volume tend to float more effectively than boats with less volume
True
200
Determine the Slope of the graph for the following equation:
y= 30 + 5x
5
200
What would a velocity vs time graph look like for an object going at a constant velocity?
horizontal/flat
200
Determine the Net Force (w/ units and direction)
SigmaFy=4N
200
Hooke's Law equation
Fs = kx
200
Buoyant Force equation
Fb = vf pf g
300
What is the main conclusion you can make based on the scatterplot below?
People with larger weight tend to have more height
300
Units of all three variables:
displacement
velocity
acceleration
m, m/s, m/s2
300
Which of newton's laws applies best to the following:
It takes less effort to carry a water bottle once it has been emptied.
2nd Law
300
What is the displacement of a spring that has a spring constant of 20N/m if it is currently applying a 30N force?
1.5m
300
What is the volume of a cylinder with a height of 0.5m and a radius of 0.2m?
0.063 m3
400
Number of kilograms in 450 grams
0.45 kg
400
A car accelerates from a stop sign at a rate of 4 m/s2 for 5 seconds. How far does the car travel during this time?
50m
400
For a box sitting on a table, what is the Newton's third law pair to the upward normal force on the box?
A downwards normal force on the table from the box
400
A vertical spring is suspended at rest sits such that the bottom of it is 0.8m above the ground. When a 2kg mass is attached to a vertical spring, it stretches downwards to 0.5m. Determine its spring constant.
65.3 N/m
400
A 200,000kg boat with a volume of 500m3 floats in water (density of water = 1000kg/m3). Determine the volume of the boat that is submerged under the water.
200 m3
500
A student measures the time it takes for a tennis ball to hit the ground from a specific height to estimate the gravitational constant. Determine 3 reasons why their data may not be perfectly accurate?
Air resistance, distance measurement, stop watch timing, etc.
500
Two characteristics of objects that allow them to travel through the air easily while being minimally affected by air resistance
heavy and small
500
A 10kg table is pushed across the ground with a horizontal force of 50N. Determine its acceleration if the coefficient between the ground and the table is 0.3
2.06 m/s2
500
A horizontal spring is attached to a 3kg block that is accelerating to the right at a rate of 2m/s2 across frictionless ground. What is the spring constant if it is compressed by 0.3m?
20 N/m
500
A cube with sides of 2m is placed in water (water density=1000 kg/m3). What is the density of the cube if the cube floats such that 4m3 are above the water?
500 kg/m3