S.I Unit of weight is
Kilogram
newton
Kg / m3
Dyne
What is the mass of 5 m3 of cement of density 3000 kg / m3 ?
150 kg
1500 kg
15000 kg
15 kg
Length ,mass and time are the
Basic quantities or fundamental quantities
Derived quantities
International quantities
Standard quantities
The force needed to cause unit extension ie , 1 m is called
Extension
Stretching force
Force constant
Stretching
Which of the following is the standard notation of 0.04?
4 Χ 10-2
4 Χ 102
4 Χ 10-3
4 / 102
Express 0.084 as powers of ten with one figure before the decimal point .
8.4 Χ 102
8.4 Χ 103
8.4 Χ 10-2
8.4 Χ 10-3
Mass per unit volume of a substance is called
Work
Weight
Density
An object floats on water
When the object is less denser than water
When the object is denser than water
When the density of object is same as water
Can not be predicted
Write as power of ten ;
7 Χ 10-5
7 Χ 10-6
7 Χ 105
7 Χ 106
Magnetic force is an example of
Contact force
Action-at-a-distance force
Gravitational force