'3rd class lever' diaporamas de présentation

Torque

r. r. F. F. Torque. The perpendicular distance from the line of action to the pivot point is called the moment arm (r). Torque is the force multiplied by the moment arm. T = F*r, Units: N-m

793 views • 69 slides

Torque

r. r. F. F. Torque. The perpendicular distance from the line of action to the pivot point is called the moment arm (r). Torque is the force multiplied by the moment arm. T = F*r, Units: N-m

1.22k views • 68 slides

Basic Physics Terms

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LEVERS

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10.2 Machines

10.2 Machines. Machine : a tool used to make work easier. Machines make work easier to do by providing some trade-off between the force applied and the distance over which the force is applied . They change the size or the direction of the applied force . EX: Bottle opener.

2.36k views • 20 slides

Simple Machines

Simple Machines. Friction Review. Friction is the force we feel when things rub against each other The more things are pushed together, the more friction there is It is the force that opposes motion. Friction Review.

674 views • 19 slides

Work and Machines

Work and Machines. What is work?. Vocabulary Work: force exerted on an object that causes it to move Joule: unit of work equal to one Newton-meter. Mechanical Advantage: the number of times a force exerted on a machine is multiplied by the machine.

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Levers

458 views • 14 slides

Simple Machines

Simple Machines. Inclined Plane. Definition: A slanting surface connecting a lower level to a higher level How it makes work easier: It is used to help things move up or down distances Examples: Ramps, stairs, slide, escalator, slope. Wedge .

265 views • 11 slides

Simple Machines

Simple Machines. Inclined Plane. Definition: A slanting surface connecting a lower level to a higher level How it makes work easier: It is used to help things move up or down distances Examples: Ramps, stairs, slide, escalator, slope. Wedge .

224 views • 11 slides

Types of Levers

Types of Levers. FOIL. First Class Lever. First Class Lever the fulcrum is in the middle changes direction of force Ex: hammer, seesaw. Second Class Lever. Second Class Lever The output (resistance) is in the middle always increases force Ex: wheelbarrow. Third Class Lever.

4.35k views • 9 slides

Levers

Levers. Learning Objectives: To be able to describe the three classes of lever. To know which levers have a mechanical advantage/disadvantage. Levers. In order to produce movement your muscles and bones work together as a series of levers. Levers involve:

657 views • 9 slides

Vocabulary List

Vocabulary List. Lever Fulcrum 1 st Class Lever 2 nd Class Lever 3 rd Class Lever. Lever. 1 st Class. Fulcrum. 2 nd Class. 3 rd Class. Levers. Lever: A rigid bar that is free to pivot, or _______, on a fixed point. Fulcrum: The _________ point that a lever pivots around.

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Simple Machines Vocabulary

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