Physics basics (1)
The term for something that only has a magnitude
What is a scalar?
This term refers to the measurement the length that something has travelled
What is distance?
The unit of mass in physics
What is the kilogram?
You walk 20 meters West and then 10 meters East. What is the total distance.
What is 30 m?
The unit of force in physics
What is the Newton?
The term for something in physics that has magnitude and direction
What is a vector?
This term is the change in position of an object
What is displacement?
The units for velocity in physics
What is m/s?
You walk 20 meters West and then 10 meters East. What is your displacement?
What is 10 meters WEST?
What unit is always used for mass
What is the kilogram?
Name two things in physics that are scalars which we have discussed in class so far
What is distance traveled, speed, and mass.
The term in physics describes an objects rate of change in position and its direction
What is velocity?
The units for acceleration in physics
What is m/s/s or m/s2?
An object shot off of a cliff horizontally. How fast is it going vertically in 4 seconds?
What is about 39.2 m/s?
What is the direction of the force that is always present on an object on Earth?
Where is straight downward from the object
This is a term that is used to describe the tendency for an object to stay at rest or stay in motion at constant velocity
What is inertia?
This term is the rate at which the velocity is changing
What is acceleration?
You only consider ________ when calculating any kinematics equation?
What is one component at a time?
If there a a projectile fired at 40m/s at 40 degrees and we factor in air resistance, what is its speed at its max height of 12 meters.
What is 0 m/s
What force would you use to measure how much you weigh on a scale
What is Force Normal
Name 3 things in physics that are vectors that we have discussed so far this year
What are displacement, velocity, acceleration, or force
This term refers to a projectile that is only under the influence of the force of gravity
What is free fall?
An object is dropped from rest and falls for 3 seconds. How far has it traveled?
What is about 44.1 meters?
An object is dropped from rest and falls for 3 seconds. How far has it traveled?
What is 44.1 meters?
What 2 equations do we connect forces and kinematics?
What is Fnet=sum of all forces and Fnet=ma
What is the exact name for the term on the reference sheet that has units of N/kg
Gravitational field strength near Earth's Surface
This term refers to all the combined forces acting on an object
What is Net Force of Summation of Forces
When does an object change direction without looking at distance?
When velocity changes sign?
When dealing with incline planes where does the angle on the incline plane go between these forces?
What is the force that drives Mr Wickwire every morning?
What is dunkin donuts cold brew?