WorksheetsY7 Phy 7_1 Measurements: Mass Weight density 02
Total questions: 24
Worksheet time: 22mins
SI unit of (a) is (b) .
SI unit of (a) is (b)
The (a) of a body is a (b) quantity and does not change from place to place
(a) is the (b) of (c) in a body
The weight formula is
wm=g
w=mg
m=wg
wg=m
The principle of (a) states that within the (b) of elasticity, (c) is (d) proportional to the (e) of spring
The (a) of a substance with respect to the density of (b) at 4oc is called (c) . It has (d) unit,
SI unit of (a) is kg m-3
we used (a) balance which is a (b) balance to measure (c)
Density formula is (a) / (b)
1 Kg is
100g
1000g
10000g
0.001g
1 g =
0,1kg
0.01kg
0.001kg
0.000kg
1 cm =
1m
0.1m
0.001m
0.01m
1 cm2 =
1 m2
0.0001m2
0.1m2
0.01m2
0.001m2
1 cm3 =
1m3
0.001m3
0.00001m3
0.000001m2
0.00000m3
What is weight?
The magnetic force acting on the body
The electric force acting on the body
The gravity acting on the body
The gravitational force acting on the body
What is the SI Unit for weight?
newton
kilogramme
metres
ampere
What is the approximate value of gravitational field strength on Earth?
10 N/kg
20 N/kg
100 N/kg
1000 N/kg
What is the formula for mass and weight?
w = m/g
w = m - g
w = mg
w = m + g
What do you use to measure mass?
Newton Meter
Spring Balance
Weighing Scale
Beam Balance
What do you use to measure weight?
Spring Balance
Measuring Tape
Beam Balance
Ruler
What is the difference between mass and weight?
Mass depends on gravity and weight is constant
Weight depends on gravity and mass is constant
Nothing- they are the same thing
Mass can never be ......
zero
Weight can be zero
where there is no gravity
Mass only has magnitude and so,
it is a scalar quantity
Weight has both magnitude and direction (towards the centre of gravity) and so,
it is a vector quantity.
Mass is a
base quantity.
