True/False: Joules are used to measure force.
False: Joules are used to measure work.
The combination of an object's speed and direction is its energy.
False: The combination of an object's speed and direction is its velocity.
True/False: Oars on a boat are examples of second-class levers.
False: Oars on a boat are examples of first-class levers
In a first-class lever, what is the relationship between the effort's distance to the fulcrum and the amount of effort force needed to move the load?
As the distance from the effort to the fulcrum decreases, the amount of effort needed increases.
If a third-class lever requires more effort, what advantage does it provide?
The advantage to using a third-class lever is that while the effort only moves a small distance, the load moves a greater distance.
An object needs to travel a set distance. In order to do more work, what must increase?
Mass or acceleration
Kartensatzinfo:
Autor: Rebecca
Oberthema: Science
Thema: Force and Work
Schule / Uni: Freedom Baptist Schools
Ort: Hudsonville, MI
Veröffentlicht: 24.01.2010
Tags: Rebecca Thomas
Schlagwörter Karten:
Alle Karten (25)
keine Schlagwörter