Question

mass (kg) volume(m3). density (kg/m3) complete the following table

Answer 1

Mass of ball m = 4 kg Density of ball ρ = 4000 kg/m3 Volume of the ball V = m/ρ = 4/4000 m3 = 10-3 m3. Buoyant force or upthrust acting on the ball = Volume of water displaced x density of water x acceleration due to gravity = 10-3 m3 x 1000 kg/m3 x 9.8 m/s2 = 9.8 kg. m/s2 = 9.8 N.

Answer 2

force. newton
area. m square
velocity. ms-1
acceleration due to gravity. ms-2
linear momentum. kgms-1
force. newton
pressure. Nm-2
universal gravitational constant. Nm2kg-2
work or energy. joule
power. watt
surface tebsion. Nm-1