1. The minimum amount of force required to overcome the force of
friction is called _____
2. Static friction is also called ____ friction.
3. Friction depends on ____ of surfaces in contact.
4. The static frictional force is a ____force.
II. Answer the following 6M
5. Define static friction?
6. Why it is difficult to move on a wet floor?
7. Give two examples of static friction?
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Explanation:
1. Budging force
2. kinetic friction
3. number
4. constant
5. Static friction is the friction that exists between a stationary object and the surface on which it's resting. Once the objects have already started moving, kinetic friction takes over.
6. it is difficult to walk on a wet floor because layer of water makes floor smooth. The coating of water reduces the friction and the foot cannot make a proper grip on the floor and it starts getting to slip on the floor.
7. A box of much weight against the ground, difficult to lift and move.
A table lamp resting on a light table.
A dry plastic and a wet plastic, where the second has less friction than the first.
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