Kinematics
This quantity has both magnitude and direction.
What is a vector?
The force that pulls objects toward Earth.
What is gravity?
The energy of motion is called this.
What is kinetic energy?
The particle that moves in an electric current is called this.
What is the electron?
Thermal energy naturally moves from _____ objects to _____ objects.
What is hot to cold?
A car travels 10 km east and then 10 km west. This quantity is zero.
What is displacement?
According to Newton's First Law, an object at rest will remain at rest unless acted on by this.
What is an unbalanced force?
The energy stored because of height is called this.
What is gravitational potential energy?
Opposite electric charges do this to each other.
What is attract?
In calorimetry, energy lost by one object equals energy _____ by another.
What is gained?
The rate of change of velocity over time represents this quantity.
What is acceleration?
This force acts perpendicular to (away from) a surface.
What is the normal force?
This law states that energy cannot be created or destroyed.
What is the Law of Conservation of Energy?
This quantity measures the rate of flow of electric charge.
What is current?
When two objects reach the same temperature, they are in this state.
What is thermal equilibrium?
An object moving at constant velocity has this acceleration.
What is 0 m/s2?
The equation relating force, mass, and acceleration. It is also called Newton's Second Law of Motion.
What is F = m*a?
The equation used to calculate gravitational potential energy.
What is PE = mgh?
The equation relating voltage, current, and resistance.
What is Ohm's Law (V=IR)?
The equation used to calculate thermal energy transfer.
What is Q=m*c*ΔT?
A ball is thrown straight upward. At the highest point, its velocity is _____.
What is 0 m/s?
A 10 kg object accelerates at 2 m/s². The net force on the object is:
What is 20 N?
A machine receives 100 J of energy and produces 80 J of useful output. Its efficiency is:
What is 80%?
A changing magnetic field can produce this.
What is an electric current
This quantity tells how much energy is needed to raise the temperature of 1 kg of a substance by 1°C.
What is specific heat capacity?