Which word is used to describe push or pull?
Pressure
Force
Density
Intensity
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
The force that opposes the motion or tendency of motion between two surface in contact is called:
Gravitational force
Surface tension
Force of friction
Magnetic force
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
Which of the following is a contact force?
Frictional force
Electrostatic force
The force with which the earth attracts a body is called the body's:
Weight
Length
Volume
Area
A charged comb picks up bits of paper because of:
Elastic force
To lift 1 kg you would like to have apply a force of about:
1N
10N
100N
1000N
When a body has an excess of one kind of charge, it said to be charged. It then applies a force, called:
Balanced force