What is the SI unit of force?
Newton
Volt
Hertz
Ampere
One pascal is equal to:
1 N/m2
1 Nm2
1 N/m
1Nm
Which of the following increases friction ?
Lubricant
Treads on a tyre
Steam lining
Polishing
Ships and boats made of iron float on water while an iron nail sink. This is due to
Relative density
Buoyant force
Principle of flotation
None of above
To lift 1 kg you would like to have apply a force of about:
1N
10N
100N
1000N
Which of the following is a contact force?
Gravitational force
Frictional force
Electrostatic force
Magnetic force
The mutual force of attraction between two bodies because of their masses is called:
Elastic force
Which word is used to describe push or pull?
Pressure
Force
Density
Intensity
The force with which the earth attracts a body is called the body's:
Weight
Length
Volume
Area
The force acting per unit area is called:
Temperature
