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Subjects
Science CBSE
Class 8
Force and pressure
Force & its types and pressure
4.
Relation between force and friction
Exercise condition:
3
m.
Choose the best answer:
1
.
The force resulting due to the action of muscles is known as
Gravitational force
Muscular force
Electrostatic force
2
.
When forces act in the same direction to get the resultant force, we need to
Add all the forces acting on it
Difference of force acting on it
Both
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