Fundamental & derived quantities

Physical Quantities consist of a _______ and its _______.

• numerical magntitude, SI Unit
• quantity, physical state
• Si unit, physical state
• physical state, physical characteristics

What is definition of base quantities

• physical quantity derived from base quantities through multiplication or division or both

• physical quantity that not be defined in terms of other physical quantities

• physical quantity that cannot be defined in terms of other physical quantities

• physical quantity derived from base quantities through addition or subtraction or both

Define physical quantity

• Quantities that cannot be defined in term of other physical quantities

• Quantities derived from combination of base quantities through multiplication or division or both.

• Quantity that cannot be measured

• Quantity that can be measured

Which of the following pairs of physical quantity and SI unit is correct ?

• Mass - SI unit : Gram
• Time - SI unit : Hour
• Electric current - SI unit : Volt
• Temperature - SI unit : Kelvin

The International System of (SI) unit for time is:

• s
• hr
• min
• ms

The International System of (SI) unit for temperature is: 

• ℃
• K
• k
• c

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The International System of (SI) unit for length/ distance is:

• m
• M
• km
• cm

Choose TWO(2) examples of base quantity

• Mass and density

• Length and area

• Length and mass

• Mass and velocity

What is derived quantities ?

• a tendency to do nothing or to remain unchanged.
• combination of two or more base quantities
• the quantity of motion of a moving body, measured as a product of its mass and velocity.

Tags

NGSS.MS-PS3-1

Which one of these options is NOT a derived quantity?

• Area

• Volume

• Density

• Temperature