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Physics

QuestionAnswer
Distance the length an object has travelled
what is distance measured in? metres
is distance scalar or vector? scalor
displacement the straight line distance between two points.
what is displacement measured in? metres
is displacement scalar or vector vector
Speed the rate an object covers a distance
what is speed measure in m/s or ms⁻¹
is speed scalar or vector? scalar
Velocity speed in a direction
what is velocity measured in? m/s with a direction
is velocity scalar or vector vector
is time scalar or vector? scalar
Scalar magnitude (numerical value) only
Vector magnitude and direction
Torque a twisting or turning force that causes an object to rotate around a pivot point
Force a push or pull acting upon an object resulting from its interaction with another object
Acceleration the rate at which an object changes velocity
Δ a change/difference between final and initial states
thrust a pushing force used to propel an object or overcome fluid resistance
resitance any force that acts in the opposite direction to the motion of an object
standard gravitational acceleration near earth surface =? 9.81
Newton's first law An object will remain at rest or at a constant velocity unless acted upon by an unbalanced external force
what is another word for newton's first law inertia
Newton's second law ΣF=ma
What is total force measured in N(newtons)
what is mass measured in? kg
what is acceleration measured in? m/s²
Newton's 3rd law Every action force has an equal and opposite reaction force.
what are force pairs called action-reaction pairs
are forces always in pairs yes
Created by: chloesloan13
 



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