# Simple Machines and Their Purposes

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## 12 Questions

### Match the following types of simple machines with their purposes:

Inclined plane = Reduce force needed to lift objects Wheel and axle = Transfer force from one point to another Lever = Change the direction of the applied force Pulley = Multiply the force applied to lift objects

### Match the following simple machines with their functions:

Stapler = Apply a single downward force Wheelbarrow = Transfer heavy loads with less effort Scissors = Cut materials using two blades Screwdriver = Turn screws to fasten or unfasten objects

### Match the following simple machines with their descriptions:

Wedge = Two inclined planes put back to back Gear = Toothed wheel that meshes with another toothed wheel Axle = Rod that connects two wheels for rotation Cam = Rotating piece that pushes against another part to create motion

### Match the following activities with the type of simple machines used:

Cutting vegetables = Knife (wedge) Lifting heavy buckets = Pulley system Opening a door = Door handle (lever) Turning a faucet = Valve (wheel and axle)

### Match the following purposes with the type of simple machines used:

Reduce friction = Lubricant (fluid) Hold objects together = Screw (inclined plane) Separate objects = Scissors (lever) Hold objects in place = Clamp (wheel and axle)

### Match the following tools with their primary functions:

Hammer = Strike to drive nails or break objects Tongs = Grasp and lift hot objects Wrench = Tighten or loosen nuts and bolts Crowbar = Pry or lift heavy objects

### Match the simple machine with its purpose:

Fixed single pulley = Changing the direction of force Inclined plane = Changing the distance of effort Bicycle = Changing the strength of a force Bottle opener = Applying a weak force over a long distance to exert a strong force

### Match the type of force with its description:

Effort (F) = Force exerted on a simple machine or compound machine by an external body Load (L) = Force exerted by a simple machine or compound machine on an object to be lifted or moved

### Match the concept with its definition:

Work input = Effort multiplied by the distance moved by effort Work output = Output provided by a machine to move a load

### Match the source of energy with its role:

Human pushing or pulling = Common energy source for applying a force Gasoline or electricity = Alternative energy source for applying a force

### Match the statement about simple machines with its correct explanation:

Simple machines do not lessen work done = Although they make work easier, they do not reduce the total amount of work Simple machines act as force or speed multipliers = They can increase either the force applied or the speed at which work is done

### Match the term with its correct usage in mechanics:

Effort = Force exerted on a simple machine or compound machine by an external body like a human being Load = Force exerted by a simple machine or compound machine on an object to be lifted or moved

Learn about simple machines and their functions as force multipliers, distance multipliers, or direction changers. Identify different types of simple machines in your environment and how they make tasks easier.

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