My Bike Flashcards
Acceleration
Change in velocity / time
Attract
Cause to come to a place or participate
Balanced forces
Forces that are equal in size but opposite in direction are called balanced forces. Balanced forces do not cause a change in the motion of objects.
Deceleration
To reduce the speed of
Distance
The length of the space between two points.
Energy
The strength and vitality required for sustained physical or mental activity
Electrostatic force
The forces between particles that are caused by their electric charges
Force
Strength or energy as an attribute of physical action or movement
Force diagram
A force diagram is simply a diagram showing all the forces acting on an object, the force’s direction and its magnitude
Force field
An invisible barrier of force
Friction force
The friction force is the force exerted by a surface as an object moves across it or makes an effort to move across it
Gradient
An increase or decrease in the magnitude of a property
Gravity
The force that attracts a body towards the centre of the earth, or towards any other physical body having mass
Lubricant
A substance, as oil or grease, for lessening friction, especially in the working parts of a mechanism
Magnetism
A physical phenomenon produced by the motion of electric charge, which results in attractive and repulsive forces between objects
Mass
A body of coherent matter, usually of indefinite shape and often of considerable size
Newton
The standard unit of force in the International System of Units (SI), equal to the force that produces an acceleration of one meter per second per second on a mass of one kilogram
North pole
Either of two variable points on the earth’s surface towards which a magnetic needle points, where the lines of force of the earth’s magnetic field are vertical
Reaction time
The interval between the presentation of a stimulus and the responsive reaction to it
Repel
Drive or force (an attack or attacker) back or away
S.I. units
International system of Units, meter for length, kilogram for mass, second for time, ampere for electric current
South pole
For most purposes, the Geographic South Pole is defined as the southern point of the two points where the Earth’s axis of rotation intersects its surface
Speed
The rate at which someone or something moves or operates or is able to move or operate
Ticket timer
The ticker timer makes dots on a paper tape every fiftieth of a second
