Newton’s Law
A magician quickly pulls a tablecloth from beneath several dishes without breaking them. Which law explains why the dishes remain almost unmoved?
What is Law of Inertia?
The SI unit used to measure force.
The source of electrical energy in a simple circuit.
What is Battery
Who formulated the Three Laws of Motion?
Who is Isaac Newton
A 20-kg box is pushed with a force of 80 N. What is its acceleration?
What is 4 m/s²
A rocket lifts off because gases are expelled downward. which law makes this possible
What is Law of Interaction
The rate at which velocity changes over time.
What is Acceleration?
A material that allows electric current to flow easily.
What is Conductor
Who performed experiments on falling objects and inertia?
Who is Galileo Galilei
A cyclist slows from 18 m/s to 6 m/s in 6 seconds. What is the acceleration?
What is −2 m/s²
This property of matter resists any change in an object's state of motion.
What is Inertia
The formula used to calculate acceleration when force and mass are given.
a = F/m
The subatomic particle responsible for electric current.
What is Electron
Who proved that lightning is a form of electricity?
Who is Benjamin Franklin
A box accelerates at 8 m/s² when a net force of 200 N acts on it. What is its mass?
What is 25 kg
This force pulls all objects toward the center of the Earth.
What is Gravity/Gravitational Force
The formula used to calculate acceleration using change in velocity and time.
a = (vf − vi)/t
A circuit with a complete path for current.
What is close circuit
What branch of science studies force, motion, matter, and energy?
What is Physics
A 50-kg object is pulled with 250 N while friction opposes it with 50 N. Determine the object's acceleration.
What is 4 m/s²
This law states that force equals mass multiplied by acceleration.
What is Law of Acceleration?
A train moving at 32 m/s slows to 12 m/s in 5 s. What is its acceleration?
What is −4 m/s²
The electrical safety device that automatically opens a circuit when excessive current flows.
What is circuit breaker
What SI unit of force is named after a scientist who formulated the laws of motion?
What is Newton (N)
A truck with a mass of 1,200 kg is pulled by an engine producing 3,600 N of force. Friction and air resistance oppose the motion with 1,200 N. What is the truck's acceleration?
What is 2 m/s²