Podcast
Questions and Answers
What simple machine is a wheel with a rod, called an axle, through its center?
What simple machine is a wheel with a rod, called an axle, through its center?
- Screw
- Pulley
- Wheel and Axle (correct)
- Lever
Identify the simple machine that is an object with at least one slanting side ending in a sharp edge.
Identify the simple machine that is an object with at least one slanting side ending in a sharp edge.
- Wedge (correct)
- Inclined Plane
- Pulley
- Screw
What is the job of a lever?
What is the job of a lever?
- To hold something in place
- To lift something off the ground
- To move something from a low place to a high place (correct)
- To move things from place to place
What is the primary purpose of an inclined plane?
What is the primary purpose of an inclined plane?
Which simple machine has a grooved wheel and a rope?
Which simple machine has a grooved wheel and a rope?
What is a screw?
What is a screw?
What is the primary role of a wheel and axle?
What is the primary role of a wheel and axle?
What does a pulley do?
What does a pulley do?
What is the primary role of a wedge?
What is the primary role of a wedge?
What does a screw do?
What does a screw do?
What is a simple machine?
What is a simple machine?
How many simple machines do we have today?
How many simple machines do we have today?
What is the name of the machine with a sloping surface, often used for raising heavy loads?
What is the name of the machine with a sloping surface, often used for raising heavy loads?
Which simple machine consists of a wheel with a groove in its rim and a rope or chain wrapped around it?
Which simple machine consists of a wheel with a groove in its rim and a rope or chain wrapped around it?
What type of simple machine is used for cutting or splitting objects?
What type of simple machine is used for cutting or splitting objects?
Which simple machine is used to hold objects together?
Which simple machine is used to hold objects together?
What is the name of the simple machine that consists of a rigid object that pivots around a fixed point?
What is the name of the simple machine that consists of a rigid object that pivots around a fixed point?
Which simple machine is used to raise and lower flags on flagpoles?
Which simple machine is used to raise and lower flags on flagpoles?
What is the name of the simple machine designed to hold objects in place when driven into an object?
What is the name of the simple machine designed to hold objects in place when driven into an object?
Which simple machine is typically used to raise or lower heavy objects?
Which simple machine is typically used to raise or lower heavy objects?
What type of simple machine has threads wrapped around a cylinder?
What type of simple machine has threads wrapped around a cylinder?
Which simple machine is best described as a flat surface set at an angle to the horizontal?
Which simple machine is best described as a flat surface set at an angle to the horizontal?
Flashcards
Wheel and Axle
Wheel and Axle
A wheel with a rod (axle) through its center.
Wedge
Wedge
An object with at least one slanting side ending in a sharp edge used to separate objects.
Lever
Lever
A rigid bar that pivots around a fixed point (fulcrum) to lift or move loads.
Inclined Plane
Inclined Plane
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Pulley
Pulley
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Screw
Screw
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Simple Machine
Simple Machine
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Screw
Screw
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Study Notes
Simple Machines
- A wheel with a rod, called an axle, through its center is an axle and wheel simple machine.
Types of Simple Machines
- An object with at least one slanting side ending in a sharp edge is a wedge simple machine.
- A lever is a simple machine that pivots around a fixed point to apply force or lift loads.
- An inclined plane is a simple machine with a sloping surface used for raising heavy loads.
- A pulley is a simple machine with a grooved wheel and a rope, used for lifting or moving heavy objects.
Functions of Simple Machines
- The primary role of a wheel and axle is to reduce friction and make it easier to move heavy loads.
- A pulley is used to change the direction of a force, making it easier to lift or move objects.
- The primary role of a wedge is to split or cut objects, or to hold objects together.
- A screw is a simple machine with threads wrapped around a cylinder, used for lifting, moving, or holding objects.
Identification of Simple Machines
- A lever is a rigid object that pivots around a fixed point, used to apply force or lift loads.
- A screw is a simple machine used for lifting, moving, or holding objects, with threads wrapped around a cylinder.
- A wedges is used for cutting or splitting objects, or to hold objects together.
- A pulley is a simple machine used to raise and lower objects, often used for flagpoles.
General Information
- There are several types of simple machines.
- An inclined plane is a simple machine with a sloping surface used for raising heavy loads.
- A screw is a simple machine designed to hold objects in place when driven into an object.
- A pulley is typically used to raise or lower heavy objects.
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