Force & Distance
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the force that pulls objects toward the earth? | Gravity
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| What is the force that resists the movement of objects against each other? | Friction
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| What is a change in position? | Motion
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| What is any object that makes work easier? | Machine
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| What is the weight of the object being moved? | Load
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| What is the force that causes and object to move? | Effort
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| What is a Push or a Pull? | Force
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| Something moves, when the forces acting on it, become________? | Unbalanced
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| It takes ___________ force to move a heavier object than it does to move a light object? | Greater
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| Using more force on an object increases the object's chang in ________? | Position
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| A _________ is a bar that turns on a Point? | Lever
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| The Point that a Lever turns on is called the _______? | Fulcrum
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| The amount of effort needed on a lever is determined by the ______ between the effort and the fulcrum? | Distance
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| When is work done? | Work is done when a force moves an object over a distance.
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| What determines the amount of work that is done? | Work is measured by HOW MUCH FORCE it takes to move something and HOW FAR it is moved.
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| Name four levers? | 1) Crow Bar 2) Hammer Claw 3)Wheelbarrow 4) Nutcracker Other 2 levers together are Scissors/ Tweezers/ Pliers
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| What is a Wheel and Axle? | It is a wheel with an axle, or rod running through the wheel.
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| One or more inclined planes used to force things apart? |
Wedge
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| A bar that turns on a point? | Lever
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| A flat, sloped surface? | Inclined Plane
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| A wheel with a Groove that can hold a rope? | Pulley
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| A wheel with a rod running through it? | Wheel & axle
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| An inclined plane wound around an axle? | Screw
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| Wheel and Axles with "teeth" that work together are called ? | Gear's
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| When you turn the Axle of a wheel and axle, the wheel travels a greater____than the axle does? | Distance
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| Both fixed and movable puleys are used in a ________ ________? | Block and Tackle
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| A block and tackle allows you to use______ force when lifting an object because the rope moves a greater distance? | Less
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| An inclined plane lets you use less force to move an object because the load moves a greater __________? | Distance
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| The inclined plane part of a screw is called the ___________? | Thread
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| A __________uses the pointed part of one or more inclined planes to force things apart. | Wedge
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| A Wheel and Axle can increase the distance traveled while using less effort. In order to do this, the _______ needs to turn? | Axle Examples: Car wheels, bus wheels, ferris wheel
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| A wheel and axle can also be used to increase the effort instead of increasing the distance. In order to do this, the _____ needs to turn. | Wheel Examples: Steering wheel, screwdriver, doorknob
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| If you lift a box onto a shelf without using a pulley. What is the direction of your effort - Up or Down? | UP
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| If you lift a box, and use a Fixed Pulley. What is the direction of your effort - Up or Down? | Down
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| A Fixed Pulley changes the ___________ of the force needed to lift the load? | Direction
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| Where are the effort and load placed when using a Pulley? | At opposite ends of the rope that is wrapped around the Pulley.
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| When you turn the Wheel of a wheel and axle, the axle turns with more _____ than the wheel does? | Force
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Created by:
vmlmyway
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