# Short-Questions

Fast solutions for complex problems

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## What is it called when two objects slide past each other?

Term. sliding friction. Definition. the force that opposes the motion of two surfaces sliding past each other.

## Is a force between two surfaces that are sliding past each other?

Friction is a force between two surfaces that are sliding, or trying to slide, across each other. For example, when you try to push a book along the floor, friction makes this difficult. Friction always works in the direction opposite to the direction in which the object is moving, or trying to move.

What opposes the motion of two surfaces sliding past each other?

Friction: A force that opposes the motion of objects that touch as they move past each other. Friction acts at the surface where objects are in contact.

What is the sliding friction?

Sliding friction force opposes the movement between two contact surfaces that slide against each other. This force depends on the type of contact surfaces (materials and finishing level) and on the load applied in the direction perpendicular to the motion direction (Normal force).

### What are the 2 major types of forces?

Two groups of forces

• Gravity force.
• Magnetic force.
• Electric force.

### What is produced when two surfaces rub each other?

Friction is a force that opposes motion. It is present whenever two surfaces rub over each other, such as when you rub your hands together, or when you apply the brakes on a bike or in a car. When friction acts between two surfaces that are moving over each other, some kinetic energy is transformed into heat energy.

Why is friction a bad thing?

Since friction is a resistive force that slows down or prevents motion, it can be a nuisance, because it can hinder motion and cause the need for expending extra energy. Friction can also cause parts in contact to heat up and can cause parts in contact to wear out.

What is the force that opposes a sliding motion?

Friction – a force that opposes motion between two surfaces that are touching. Gravity – a pull that attracts objects to each other.

## What are 5 examples of sliding friction?

Examples of Sliding Friction

• Rubbing both the hands together to create heat.
• A child sliding down through a slide in a park.
• A coaster sliding against a table.
• A washing machine pushed along with the floor.
• The frame and the edge of the door sliding against one another.
• A block being slid across the floor.

## What keeps objects from sliding surfaces?

Gravity is a contact force that acts between two separate objects. …

What are the 7 types of forces?

Action-at-a-Distance Forces

• Applied Force.
• Gravitational Force.
• Normal Force.
• Frictional Force.
• Air Resistance Force.
• Tension Force.
• Spring Force.