What is the unit of pressure?
Newton
Hertz
Pascal
Kelvin
To lift 1 kg you would like to have apply a force of about:
1N
10N
100N
1000N
Which word is used to describe push or pull?
Pressure
Force
Density
Intensity
In which of the following cases is friction a disadvantage to us ?
Running
Breaking
Writing with pencil
Parts of a machine rubbing with each other
Dams are constructed with greater thickness in their bases due to:
Higher pressure
Lesser pressure
Greater force at the bottom
Lesser force at the bottom.
A charged comb picks up bits of paper because of:
Magnetic force
Gravitational force
Elastic force
Electrostatic force
What is the SI unit of force?
Volt
Ampere
When a body has an excess of one kind of charge, it said to be charged. It then applies a force, called:
Balanced force
The force that opposes the motion or tendency of motion between two surface in contact is called:
Surface tension
Force of friction
The force exerted by a magnet is called:
Moment