The state of an object in which it is not acted upon by a net force or a net torque.
What is Equilibrium
100
A line in a plane that intersects the circle in exactly the radius.
What is a tangent?
100
Harmonic motion
What is any motion that is repetitive and caused by a restoring force.
100
Forces that causes like charges to repel and opposite charges to attract
What is Electric Force
100
Pumps electricity through circuit.
What is a battery?
200
The equation for torque
What is radius times force applied
200
What is the equation for centripetal acceleration
Velocity squared divided by radius. v^2/r
200
What is the equation for frequency
Frequency equals one over period (in seconds)
200
Charges can never be created nor destroyed, only transferred.
What is Law of Conservation of charge.
200
What is the equation for ohm's law
Current equals the voltage divided by the resistance I=V/R
300
In order for an object to balance?
The forces on either side of the axis of rotation must be equal.
300
To make an object move in a circle with a constant speed, a force must act on it that is directed where?
Towards the center of the circle
300
If a wave hits a hard wall, it bounces off by
Reflection
300
Two charged particles are separated by a distance of 0.12 meters. The Coulomb force between them is 2 N. What will the Coulomb force be if the same particles are separated by a distance of 0.06 meters?
8 newtons
300
A circuit where all loads are on separate branches and allow current to take several pathways.
What is parallel circuits
400
A solid sphere, a hollow sphere, a hoop, and a solid cylinder rolled down a hill. Each have the same mass and radius. Which object will reach the bottom first?
The solid sphere
400
Centripetal force acts on a car going around a curve. If the speed of the car were twice as great, the magnitude of the centripetal force necessary to keep the car moving in the same would be
Quadrupled
400
A wave has a speed of 50 m/sec and has a frequency of 100 Hz, what is its wave length
50 m/s divided by 100 Hz equals 0.5 m
400
A neutral aluminum pie tin is brought near and touched to a positively-charged metal sphere. After touching, what is the charge on the pie tin?
Positive
400
Two 4 ohm resistors in parallel is equivalent to having one...
2 ohm resistor
500
Through how many radians has a 40 cm radius wheel rotated through if it has traveled 10 meters?
25 radians
500
If the radius of the Earth were increased by 4 and its mass remained the same, then the acceleration due to gravity would be
reduced by a factor of 9
500
If 40 Hz is H8, what is the fundamental frequency?
5 Hz
500
Two positive charges q1 = 16 and q2 = 4 are separated by a diameter of 3 m will produce force of
42.7 newtons
500
An electrical device has an electrical potential difference of 180 V impressed across it; the current is 6.0 amperes, the resistance in the device is...
30 ohm's R=V/I 180 V divided by 6 A equals 30 ohm's