1:1 Displacement and Velocity
Define displacement
The change in an object's position from the starting point to the ending point, including direction.
Acceleration is defined as the rate of change of:
Velocity
Which of the following is the best example of projectile motion?
A car driving in a circle.
An elevator moving upward.
A baseball thrown to second base.
A book resting on a table.
A baseball thrown to second base.
Define Force (In force, mass, and acceleration)
A push or a pull that can cause a change in motion.
Which of the following is an example of a non-contact force?
Gravity
What is the main difference between speed and velocity?
Velocity includes direction, while speed does not.
An object is accelerating if it is: (3 different answers)
Speeding up, Slowing down, Changing direction
Once a projectile is launched, what is the only significant force acting on it (assuming we ignore air resistance)?
Gravity
According to Newton's Second Law, if you apply the same force to two objects, the object with the smaller mass will have the ______ acceleration.
greater
The force that opposes the motion of an object is called:
Friction
Which of the following represents a vector quantity?
Speed
Distance
Time
Velocity
Velocity
What are the standard units for acceleration in physics?
Meters per second squared (m/s2)
An object moving in a circle at a constant speed is accelerating because its _______ is constantly changing.
Direction
What is the standard unit of force in the International System of Units (SI)?
Newton (N)
What is the normal force?
The support force exerted by a surface on an object resting on it.
The standard metric unit for velocity is:
Meters per second (m/s)
A car moving at a constant velocity of 25 m/s in a straight line has an acceleration of:
0m/s2
The path of a projectile through the air is typically in the shape of a:
Parabola
Mass is a measure of an object's:
Inertia
The force exerted through a rope, string, or cable is known as:
Tension
If a car travels 500 meters north and then 300 meters south, what is its final displacement?
200 meters north
When an object slows down, its acceleration is often referred to as:
Deceleration
For an object in uniform circular motion, the acceleration is directed:
Toward the center of the circle
What is net force?
The total of all forces acting on an object.
An object's weight is the measure of the:
Force of gravity acting on it.