Base and derived quantities

Which of the following quantity is base quantity ?

• voltage
• electric current
• electric energy
• electric power

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

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.HS-PS2-2

What is the SI unit of weight?

• kilograms

• grams

• newtons

• kg

In 2008 Olympic Game, Usain Bolt sets world record at 10 s in Men’s 110 m Final. What is his average speed ?

• 1100 ms

• 11 m/s

• 10 m/s

• 0.09 m/s

What is the unit of DENSITY

• m/s

• m/s²

• kg/m³

• Newton

Which of the following physical quantities is a derived quantity?

• Electric current
• Momentum
• Temperature
• Mass

Tags

NGSS.HS-PS2-2

What is the SI unit of speed?

• m/s

• cm/s

• km/hour

• kg/m

Tags

NGSS.HS-PS4-1

What is the SI unit for Work

• Joule/s

• Joule

• Newton

• Pascal

What is the couple of quantities have a same unit?

• Energy and force

• Energy and Work

• Energy and power

• Work and power