WorksheetsDensity and Moment
Total questions: 10
Worksheet time: 16mins
Name
Class
Date
1.
What is the anticlockwise moment acting on this crane?
a)
80,000Nm
b)
100,000Nm
c)
120,000Nm
d)
140,000Nm
2.
What is the moment produced by the 15 N?
a)
15 Ncm (clockwise)
b)
150 Ncm (anti - clockwise)
c)
1500 Nm (anti - clockwise)
d)
0.15 Ncm (clockwise)
3.
Why do objects sink or float in H2O?
a)
Because their densities are higher or lower than compared to water
b)
Because their densities are using gravity to pull down
c)
Because their densities are heavier or lighter
d)
Because their mass and volumes are equal
4.
Why do ice cubes float in a glass of water?
a)
the ice cubes are more dense than the water
b)
the water is more dense than the ice cubes
c)
the water is more dense than the glass
d)
the ice is more dense than the glass
5.
What is this tool to get volume?
a)
triple beam balance
b)
ruler
c)
thermometer
d)
graduate cylinder
6.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
7.
Frank has an eraser. It has a mass of 4 g, and a volume of 2 cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
8.
Calculate the density of the cube.
a)
2 g/cm3
b)
4 g/cm3
c)
6 g/cm3
d)
8 g/cm3
9.
A moment is...
a)
a force measured in Newtons
b)
a turning force measured in newton metres
c)
a distance measured in metres
d)
a time intervals measured in clicks
10.
What is the volume of the rock?
a)
30cm3
b)
10cm3
c)
40cm3
d)
20cm3
100 %
