Law Of Motion Flashcards
Use with a description of motion only without the factors which tend to cause changes in the motion of bodies.
Kinematics
Includes study of factors like forces and physical properties of the bodies which affect the motion of these bodies.
Dynamics
Continuous process of which the body undergoes change in position or place with respect to a reference point.
Motion
Motion of bodies or the kinematics of particles moving along a straight line.
Rectilinear motion
The change of velocity per unit time.
Acceleration
Change in distance over change of time.
Speed
Direction and is the vector counterpart of speed.
Acceleration
Every particle in the universe attract each other. The gravitational force is directly proportional to the product of the masses of the particles and inversely proportional to the square of the distance between them.
Law of gravitation (newton)
Any objects or body released from rest.
Free-falling body
Distance north or south of the equator express in degree 0 to 90° with 0° being the equator and 90° the location of the earth’s poles.
Latitude
Height above sea level
Altitude
Nature of the subsurface materials are:
(water-3/4 ; dry land 1/4)
a.) Water
b.) Soil
c.) Rocks
More massive; compact; will experience greater pull of gravity attraction is greater.
Rocks
Info
Fnet sometimes known as unbalanced form means two forces are no longer equal.
A body will remain at rest and a body in motion will continue to move with constant speed or velocity along a straight line unless acted upon by a net external force.
Law of inertia
The property of the body to remain at rest and to continue moving with constant velocity when in motion.
Inertia
A measure of its inertia. the greater the mass the greater the inertia or the resistance to change in motion.
Mass of the body
If a net force or unbalanced force acts on the body, the body will accelerate; the magnitude of the acceleration is directly proportional to the mass of the body. The direction of the acceleration is the same as the direction of the net force.
Law of acceleration
When an object exerts a force on another object the second object exerts on the first a force of the same magnitude but at opposite direction.
“For every action there is an equal but opposite reaction”.
Law of Action and reaction