FPA
Which units are used to measure pressure?
N/m2 or N/cm2
A statue with a volume of 120cm³ made from ceramic which has a density of 2g/cm³. Work out the mass.
240 g
Convert 400 minutes to hours
6.67 h
There are 20 houses in Firfields and 80 houses in Meadowlands.
The mean number of cars per house in Firfields is 1.5 The mean number of cars per house in Meadowlands is 2
Work out the mean number of cars per house in both villages
0.68
The object exerts a force of 420N on the floor and the pressure on the floor is 20N/cm2. Work out the area of contact.
21 cm2
A cube of ice has side length of 5cm. The mass of the cube of ice is 114.5g. Find the density of ice. Give your answer in g/cm³
0.916 g/cm3
Calculate the average speed in km/h (without a calculator)
A car travels 27 kilometres in 45 minutes.
36 km/h
In Tia’s pencil case she has
6 pencils that have a mean mass of 7g
10 pens that have a mean mass of 12g
4 markers with a mean mass of 15g
Find the mean mass of the 20 items in Tia’s pencil case.
11.1
6.24kg= __g
6240 g
Material A has a density of 4.5g/cm³. Material B has a density of 14g/cm³. 5kg of Material A and 200g of Material B form Material C. Work out the density of Material C
4.62 g/cm3
Convert 3km/h to m/s
0.83 m/s
A tennis club has 165 adult and child members.
The mean age of the 55 child members is 14 years. The mean age of the 110 adult members is 40.7 years Calculate the mean age of all 165 members.
31.8
Find the pressure exerted by a force of 240 newtons on an area of 30cm². Give your answer in newtons/m²
80 000N/m2
Material A has a density of 5.8g/cm³
Material B has a density of 4.1g/cm³
377g of Material A and 1.64kg of Material B form Material C. Work out the density of Material C
4.34 g/cm3
Harry catches the train from Belfast to Dublin at 4pm. The average speed of the train is 70mph and the distance from Belfast to Dublin is 105 miles. What time does Harry arrive in Dublin?
5:30 pm (17:30)
There are 30 boys and girls in a class.
The ratio of boys to girls in the class is 2 : 3
The mean height of the girls is 1.64m
The mean height of all 30 students is 1.7m
Work out the mean height of the boys.
1.79
Two cubes are placed on a table. One cube has a side length of 4cm and the other cube has a cube length of 10cm. The weight of the smaller cube is 50N and the weight of the large cube is 250N. Which cube exerts a greater pressure on the table? By how much?
The smaller cube by 0.625 N/cm2
Beverley is building a toy boat. If wood has a density under 1g/cm³, it will Xloat. She has a choice of three different pieces of wood.
Piece 1: volume = 400cm³ and mass = 450g.
Piece 2: volume = 0.02m³ and mass = 8kg
Piece 3: volume = 1000cm³ and mass = 1.03kg
Which piece of wood is the most suitable?
697.4 m
A car travels for 4 hours at an average speed of 45 mph and then 6 hours at an average speed of 35 mph.
(a) Work out the total distance travelled.
(b) Work out the average speed for the entire journey.
a) 180 + 210 = 390 miles
b) 39 mph
A football squad has 3 goalkeepers, 8 defenders, 9 midfielders and 5 forwards.
The mean height of all 25 footballers is 181cm
The mean height of the 3 goalkeepers is 188cm
The mean height of the 8 defenders is 187cm
The mean height of the 9 midfielders is 176cm
Work out the mean height of the 5 forwards.
176.2