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Conceptual Physics - Chapter 5: Newton's 2nd Law
Anki Set (use w/ Quizlet set): https://ankiweb.net/shared/info/20599765
Terms in this set (25)
The amount of matter that an object is made of
A push or pull on an object
The sum or difference of all of forces acting on an object.
When an object is at its terminal velocity, it has no ____.
When an object in freefall gets to its maximum speed. It has no acceleration.
the force that an object covers over how much area it's covering
object, mass, acceleration
f = ma means that the force of ____ = its ____ * its current ____.
This is Newton's Second Law in a nutshell.
The "g"-value can be calculated by dividing ___ over ___.
Air resistance will make a heavier object move ____ in freefall due to its increased _____. This is an inertial pulling force (opposite direction) on an object.
an inertial pulling force (opposite direction) on an object
A force that is put on a stable object to support it.
A friction force that is being pushed/pulled on something moving in freefall (in the air)
The gravitational pull expressed as a number. (9.8m/s^2 or 10m/s^2)
In space or in a vaccuum (g = 0), will a feather, a bowling ball, or neither hit the ground first?
On Earth (g = 0), will a feather, a bowling ball, or neither hit the ground first?
What force is this an example of?
(Credit: Unsplash https://www.pexels.com/photo/gray-book-on-brown-wooden-table-89830/)
A type of force that is put on an object by something (external force moving the box) -- a push, a pull, or a drag.
3, 2, 3
The net force on this box horizontally is: __ Newtons.
Its horizontal frictional force is __ Newtons.
Its vertical normal force is __ Newtons.
fair use for educational purposes)
frictional force, normal/support force, gravitational force, applied force
Name all 4 forces on this picture.
1, 2, 3, 4 = ?
A parachuter is falling down. For point 1, what is the acceleration?
A parachuter is falling down. For point 2, what is the acceleration?
A parachuter is falling down. For point 3, what is the acceleration?
A parachuter is falling down. Which point is the terminal velocity?
NOTE: If a person were to put (apply) less force on pushing the box than its friction, its net force would remain at ____.
greater than zero
NOTE: If the person were to push a greater force than its friction value, its net force would be ____ ____ ____.
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