Measurements / Units / Motion (1D & 2D)
The act of quantifying some property of an object.
What is measuring?
An object will not change its state of motion unless acted on by an outside force.
What is Newton's 1st Law of motion?
The product of an object's mass and velocity.
What is momentum?
746 Watts.
How much power is one horsepower?
V = IR
What is Ohm's Law?
When there is a change in an objects speed and or direction.
What is accelerated motion?
The greater the mass the more resistant an object is to a change in its motion.
What is inertial mass?
Gold club / golf ball
What is an example of an impulse?
Energy is defined as ________.
The ability to do work.
The continuous flow of electrons.
What is "Current"?
The change with time of the position or orientation of a body.
What is motion?
An apple falling from a tree.
What is an example of Newton's second law of motion?
(kg·m) / s
What are the units for momentum?
What happens to the potential energy of a spring that is stretched or compressed?
The potential energy increases.
What is the current through a wire if 240 coulombs of charge pass through the wire in 2.0 minutes?
2.0 A
1.7 m = ? nm
What is 1700000000?
The mass of the objects and the distance between the objects.
What does the force of attraction depend on?
Speed.
What is a scalar quantity?
What is the maximum amount of work that a 5000. watt motor can do in 10. seconds?
5.0 x 104 J
Length of the wire, cross sectional area, type of material, and temperature.
What are the four factors that affect the resistance in wires?
6 ft = ? m
What is 1.8288?
The strength of Earth's gravitational field at Earth's surface.
What does "g" (9.81m/s2) represent?
States that a certain physical property does not change in the course of time within an isolated physical system.
What is the law of conservation?
If a 2.0 kilogram mass is raised 0.050 meter vertically, the work done on the mass is approximate to how many joules?
0.98 J
What are the signs and magnitudes of the charges on a proton, an electron, and a neutron in terms of e, the elementary charge.
Proton: +1e
Electron: -1e
Neutron: 0e