Term
linear momentum (and appreciate the vector nature of momentum) 

Definition
as the product of mass and velocity 


Term

Definition
as equal to rate of change of its momentum; 


Term

Definition
Area under a force/time graph. Change in momentum 


Term
a perfectly elastic collision 

Definition
A collision with no change/loss of kinetic energy 


Term

Definition
Total energy is conserved though some loss of kinetic energy (during collision). The magnitude of the impulse on each object is the same. 


Term

Definition
The angle where the arc of a circle equals the radius. 


Term
gravitational field strength 

Definition
Force per unit mass (at a point in a gravitational field) 


Term
the period of an object describing a circle 

Definition
The time taken for the object to describe a complete circle/orbit 


Term
geostationary orbit of a satellite 

Definition
Equatorial orbit Same period as Earth (fixed point above the Earthâ€™s equator) 


Term

Definition
Is the distance of a body from the equilibrium position and is directed in the opposite direction to the displacement (equilibrium when the resultant force is zero) 

