Formula champions

What is the mass of a 25 cm³  liquid if it has a density of 5 g/cm³?

• 125g

• 5g

• 5g/cm3

• 25g/cm3

• 25g

F/A formula is

(a)  

The diagram shows a stone of irregular shape.

Which property of the stone can be found by lowering it into a measuring cylinder half-filled with

water?

• length

• 
  mass

• 
  weight

• volume

What is the unit of measurement for pressure?

• grams

• meter

• pascal

• newton

• second

What is unit for Moments

• nm

• NM

• Nt

• Nm2

• Nm

A bus travels 20 km in 30 minutes. What is the average speed of the bus?

• 20 km/h

• 30 km/h

• 40 km/h

• 50 km/h

• 60 km/h

A man stands next to a railway track.

A train travelling at 40 m/s takes 2.0s to pass the man.

What is the length of the train?

• 20m

• 38m

• 40m

• 80m

• 0.05m

Which two quantities must be known to determine the density of a material?

• mass and area

• mass and volume

• weight and area

• weight and volume

• weight and area

What pressure does a 4000N horse exert on the ground if each foot is 10cm²?

• 40 N/cm²

• 400 N/cm²

• 4 N/cm²

• 10 N/cm²

• 100 N/cm²

A jet airliner flies 4100 km from New York City to San Francisco in 4.25 hours.  What is its average speed?

• 964.71 km/hr

• 96.47 km/hr

• 9647.1 km/hr

• 9.64 km/hr

• 0.96 km/hr