The friction force is the force exerted by a surface as an object moves across it or makes an effort to move across it.
The gravitational force on earth is equal to the force the earth exerts on you.
Think about the force of the earth that pulls objects towards it.
Forces that can affect objects without touching them.
Worksheets for ICSE class 4 science
Support Services for ICSE class 4 science
Regular Classes for ICSE class 4 science