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25 Cards in this Set
 Front
 Back
Momentum (p)=

mv


What is an elastic collission

1) Momentum is conserved
2) KE is conserverd 

What is an inelastic collission

1) Masses Add
2) Momentum is conserved 3) Ke is not conserved 

Gravitational Force is due to Centripetal Force

G.Mm/r^2 = mv^2/r


A circular plate will experience _________ expansion through out

uniform


Masses released simultaneously from rest have the same acceleration or they fall at the ______ rate

same


Period of a Spring

T= 2pi √m / k


Frequency of a Spring

1/T


Equilibrium position of a spring means _____ Elastic PE is available at that point

no


Accuracy is the _____ no of digits

smallest compared to the values given


If speed is constant acceleration =

0


For a pulley system acceleration and tension are.......

constant


Weight is a force that the _____ exerts on a body

earth


Objects closer to the centre of rotation have:

1) greater angular velocity
2) greater KE 3) greater acceleration 

Objects further from the center of rotation have:

1) greater moment of inertia
2) greater linear velocity 3) greater angular momentum 

Negative velocity means displacement is......

decreasing


Planets with lower orbits or smaller radii move

faster


s is (in terms of kinematic eqns)

displacement


Action Reaction force act on

different objects


An object does not have to be at_____ if net force is 0

rest


Horizontal motion does not depend on (in terms of a trajectory) _____

gravity


Any two objects in the universe exert an ______ force on each other

attractive


Essentials for Circular Motion

1) Speed constant
2) Velocity magnitude constant direction changing 3) Acceleration same as velocity 

Magnitude does not relate to

sign


Turning Force

fd or fdsin0f
