Thrust applied per unit area is :
Density
Force
Pressure
Velocity
A girl playing basket ball is an example of :
Muscular force
Frictional force
Magnetic force
Electrostatic force
Friction can be reduced by :
Using wheels
Using gloves
Increasing roughness
Avoid lubricants
Sharp surfaces may :
Increase pressure
Increase force
Decrease pressure
Decrease force
The force which acts in the direction opposite to the direction of motion is called :
Gravitational Force
Magnetic Force
Frictional Force
Electrostatic Force
1 kilogram force is almost equal to:
102N
10N
1000N
1⁄10N
Concept of force was given by:
Sir Isaac Newton
Robert Boyle
Albert Einstein
Blaise Pascal
Force has both magnitude as well as :
Speed
Direction
Accelaration
S.I Unit of pressure is:
Watt
Newton
Joule
Pascal
An example of electrostatic force is :
Earth revolving around the sun
Mustard seeds repelling each other
A magnet exerts force on another magnet
A girl pushing a chair
