Science 10 Unit B Physics Review Notes

Vector Quantity

Quantity with both magnitude and direction

Scalar Quantity

Quantity with only magnitude

Acceleration

Change in velocity over time

Kinetic Energy

Energy of motion

Potential Energy

Stored energy due to position

Power

Rate of doing work or using energy

Weight

Force of gravity acting on an object's mass

Efficiency

Measure of how energy is converted into useful output

Distance

Total length of the path traveled

Displacement

Straight-line distance and direction from initial to final position

Velocity

Speed in a given direction

Chemical potential energy

Energy stored in the bonds between atoms and molecules

Nuclear potential energy

Energy stored within the nucleus of an atom

Elastic potential energy

Energy stored in stretched or compressed materials

Gravitational potential energy

Stored energy associated with the force of gravity