What is the role of force on the speed of moving object?
What is elotrastic force? why is called non- contact force?
A force of 1200 N acts on the surface of area 10 cm square normally What would be the the pressure of the surface?
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The action from a force can cause an object to move or speed up (accelerate), to slow down (decelerate), to stop, or to change direction. Since any change in velocity is considered acceleration, it can be said that a force on an object results in the acceleration of an object.
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In contrast a contact force is a force applied to a body by another body that is in contact with it. All four known fundamental interactions are non-contact forces: Gravity, the force of attraction that exists among all bodies that have mass.
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