Unit of Measurement
What is the SI unit of mass?
kg
It is the total path traveled, regardless of direction (scalar).
Distance
What do we call an object that is thrown into the air and moves under the influence of gravity only?
Projectile
What is Newton’s First Law of Motion also called?
Law of Inertia
What unit is used to measure frequency?
Hz (Hertz)
A physical quantity that has magnitude and direction.
Vector Quantity
What do we call the total time a projectile stays in the air?
Time of Flight
What is the mathematical formula for Newton’s Second Law.
F=ma (Force = mass × acceleration)
One kilometer is equal to how many meters?
1,000 meters
A push or pull acting on an object that can change its motion; vector, measured in Newtons (N).
force
What type of mathematical curve describes the path of a projectile?
Parabola
When you push against a wall, the wall pushes back with equal force. Which Law of Motion describe this example?
Third Law of Motion
Convert 3.5 kilometers to meters.
3,500 meters
The single vector that represents the combined effect of two or more vectors.
Resultant Vector
What is the component of the initial velocity along the vertical axis that changes due to gravity?
Vertical Velocity
Which law explains why passengers lurch forward when a car suddenly stops?
First Law of Motion
A way of expressing very large or small numbers using powers of 10
Scientific Notation
What do we call the rate of change of velocity with respect to time?
Acceleration
What is the curved path followed by a projectile called?
Trajectory
State Newton’s Third Law of Motion.
For every action, there is an equal and opposite reaction.