Acceleration
What is the formula for Acceleration?
a = Δv/Δt
Friction:
What is friction?
what is the action of one surface or object rubbing against another.
Work = Force × ________
What is distance
At which part of a magnet is its magnetic force maximum?
What is the at the poles.
what color has the shortest wavelength
what is Violet.
Measurement:
Convert 6 kg to grams
What is 6000 grams
Newtons Laws
What are Newton's laws (all 3) of motion?
What are the units of momentum?
What is kg m/s.
In the direction of electric field, the electric potential:
a. decreases
b. increase
c. remains uncharged
d. becomes zero
what is A. Decreases
How do you measure wavelengths on this example?
What is from points A and B
Speed/Velocity
What is the difference between Velocity and Speed?
Speed is simply how fast you are going
Velocity is the speed in a given direction
Universal Law of Gravitations
What is the Universal Law of Gravitation formula?
what is
The branch of physics that deals with heat, work, and temperature, and their relation to energy, radiation, and physical properties of matter is known as?
What is thermodynamics.
Electric Fields & Electrostatics
Two charges of Q coulombs are a distance d apart from each other. Which of the following would reduce the force exerted between the charges by a factor of 4?
What is to Increase Distance (D) by a factor of 2
In a nuclear reaction, there is the conservation of which of the following?
What is Mass, energy, and momentum
Motion Graphs
What does a positive and negative constant VELO look like in a motion graph?
Newtons Laws
An African elephant can reach heights of 13 feet and possess a mass of as much as 6000 kg. Determine the weight of an African elephant in Newtons and in pounds. (Given: 1.00 N = .225 pounds)
What is 58800 N or 13230 lb
Calculate the work done by a 47N force pushing a pencil 0.26m.
What is 12.2 J.
Charge And Electric Force
e=1.60×10-19
k=8.99×109
How many electrons would it require to generate a 5 N attractive force on a +3 µC charge from 0.1 m away?
What is 1.15 x 1013 electrons
An object's reflection in a plane mirror appears to be 30 m away. How far is the real object from the mirror?
What is 30 m away.
Dimensional Analysis:
(use math)
How many seconds in one day?
what is 86400 sec in a day
Torque:
A 2.0 N force (F) is applied to a bar that can pivot around its end as shown below.
The force is parallel to the bar and is r = 0.50m away from the end.
What is the torque on the bar?
What is 0 N ⋅ m
How far can a mother push a 20.0 kg baby carriage using a force of 62 N, if she can only do 2920 J of work?
What is Δx= 47m.
If each resistor has a value of 2Ω how much current is flowing through the circuit?
What is 24A
If a light ray strikes a mirror at 75 degrees, at what angle will it reflect back?
What is 15 degrees