What is the main force that must be overcome in order to push an object along a horizontal surface?
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A contact force that resists sliding between surfaces. Friction when an object slides along a surface. Direction is opposite the object's sliding direction and is parallel to the contact surface.
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The main force that needs to be overcome for pushing an object is frictional force.
What is friction force?
- A friction force is the force that arises due to relative motion between an object and a surface.
- It acts opposite to the direction of the external force acting on the body.
- Friction force is a contact force and exists whenever an object is kept in touch with other surface.
- So, for the body to move in the direction of applied force, it should be greater than frictional force.
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