Physics - Newton's Laws
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28 Terms
Contact forces
Forces that are directly affecting/interacting the object.
Non contact forces
Forces that indirectly affect the object
Force
a vector quantity wherein there is an interaction between two objects
Mass
measurement of matter
Weight
force exerted by the gravity
Newton’s First Law of Motion
Law of Inertia
Law of Inertia
the tendency of an object to stay at rest when no force is acted upon it and an object to keep on moving
Newton’s Second Law of Motion
Law of Acceleration
Law of Acceleration
wherein the acceleration of the body is proportional to the force exerted on it
Newton’s Third Law of Motion
Law of Interaction
Law of Interaction
wherein for every action, there is a reaction acted upon the object
Tension force
the pulling force exerted by a stretched rope or cord on an object to which it’s attached.
Gravitational force
it is a downward force that is equal to the object’s weight when that object is resting on a surface.
Applied force
a contact force that is applied to an object by external means.
Fluid friction
force that resists motion either within the fluid itself or of another medium moving through the fluid
True
Air resistance is a kind of friction
True
If the object is moving at uniform velocity and the net force = 0, it will continue move at the same velocity
N (Newton) is from?
Kg x m/s²
No
Is there a horizontal velocity (Vx) when an
object is launched at 90°?
Yes
Is there a vertical velocity (Vy) when an
object is launched at exactly 90°?
What angle gets the maximum range?
45 degrees
What are the two components of a projectile?
horizontal and vertical component
What is the path of a projectile called?
Trajectory
Horizontal Velocity is always _____
constant
Vertical Velocity always ____
changes
What is the path of trajectory in nature?
parabolic
an object dropped horizontally will fall at the same time as an object that is simply dropped
true
In the absence of air resistance, the elephant will fall first compared to the feather
false
Note 
Flashcards (46)