Physics Tools
Kinematics
Forces & Motion
Gravity & Rotation
Electrostatics
100
What does the acronym C.E.R. stand for?
Claim, Evidence, Reasoning
100
What Greek letter refers to a "change in" something?
delta (Δ)
100
What is the Net Force on the car below? Include the direction in your response.
3000 N to the right
100
According to Kepler’s First Law of Planetary Motion, planets orbit in a(n) ________ pathway.
elliptical
100
When an object becomes negatively charged, it has more of these particles than protons.
Electrons
125
A good claim is one that is able to be proven false with the proper evidence. This is a quality known as...
falsifiability
125
According to the graph below, what is the total distance traveled from 0 to 16 seconds? Include units.
24 m
125
The tendency for an object to resist a change in motion is known as _________.
inertia
125
Objects in orbital motion experience acceleration because their velocity is always changing direction. What is the formal term for this type of acceleration?
centripetal acceleration
125
If a negatively charged particle is placed to the East of a positively charged particle, which direction will the positively charged particle accelerate?
East
150
Abigail always tastes her soup before it's done, and adds more salt if it's too bland. What is the dependent variable in this task?
The taste of the soup (how bland/not bland it is)
150
According to this Position vs. Time graph, what is the speed from 14 to 16 seconds? Include units.
4 m/s
150
Johnny punches Alex in the jaw, but Johnny's hand breaks a bone. Which natural law is best represented here?
Newton's Third Law of Motion
150
Araceli has a mass of 70 kg on Earth. What would her mass be on the surface of a planet that has half the mass of Earth?
70 kg
(mass doesn't change on different planets, only weight)
150
Who came up with the convention for identifying charge as "positive" and "negative?"
Benjamin Franklin
175
The metric system, which includes meters, seconds, and kilograms, is more formally called...
SI Units
(Système International d'unités, or International System of Units)
175
How much time does it take for a car to speed up from 3 m/s to 21 m/s if it accelerates at 3 m/s2 ? Include units.
6 seconds
175
In the image below, m1 sits on a frictionless surface, m1 = 20 kg, m2 = 5 kg, and gravitational acceleration is 10 m/s2. What is the acceleration of m1? Include units.
2 m/s2
175
What is the centripetal acceleration of a 2 kg tetherball that rotates with a tangential velocity of 3 m/s, 1 meter away from the pole?
9 m/s2
175
What is the SI unit for charge? It must be spelled correctly.
Coulomb
(or Coulombs)
200
When graphing data, it's often important to try and establish if a linear relationship exists between two variables. What is the name of the line that tries to approximate this relationship?
Best-Fit Line
(or Line of Best-Fit, sometimes called a Regression Line)
200
Two carts are moving towards each other with the same speed are initially 8 meters apart. How fast are they moving if they collide in 2 seconds?
2 m/s
200
The acceleration of a 6 kg ball is initially 8 m/s. What would the new acceleration be if the net force on it was tripled, and its mass was increased to 24 kg? Include units.
6 m/s2
200
Two objects 10 m apart experience 4 N of gravitational attraction. How far apart would they have to be to experience 1 N of gravitational force?
20 m
200
Two charged objects placed 4 m apart experience 5 N of electric force. How far apart must they be placed to experience 20 N of electric force?
2 m