Conceptual Physics C2009 Guided Reading & Study Workbook Se
9th Edition
ISBN: 9780133647396
Author: Prentice Hall
Publisher: Prentice Hall
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Textbook Question
Chapter 9, Problem 18A
In which type of lever is the output force smaller than the input force?
Expert Solution & Answer
To determine
Type of a lever is the output force smaller than the input force.
Explanation of Solution
Introduction:
There are three types of lever. This types are depends on the location of input force, load and the fulcrum.
In type 3 lever a load is placed at one end, fulcrum is placed at other end and input force is in between them. Load and fulcrum are at greater distance due to which load will travel a greater distance than when input force is applied. Output force is smaller due to this greater distance travelled by the load.
Conclusion:
The lever of type 3 in which output force is smaller than input force.
Chapter 9 Solutions
Conceptual Physics C2009 Guided Reading & Study Workbook Se
Ch. 9 - A force sets an object in motion. When the force...Ch. 9 - Work is required to lift a barbell. How many times...Ch. 9 - Which requires more work, lifting a 10-kg load a...Ch. 9 - How many joules of work are done on an object when...Ch. 9 - How much power is required to do 100 J of work on...Ch. 9 - What are the two main forms of mechanical energy?Ch. 9 - Prob. 7ACh. 9 - A boulder is raised above the ground so that its...Ch. 9 - Suppose you know the amount of work the brakes of...Ch. 9 - How does speed affect the friction between a road...
Ch. 9 - What will be the kinetic energy of an arrow having...Ch. 9 - What does it mean to say that in any system the...Ch. 9 - In what sense is energy from coal actually solar...Ch. 9 - How does the amount of work done on an automobile...Ch. 9 - In what two ways can a machine alter an input...Ch. 9 - In what way is a machine subject to the law of...Ch. 9 - What does it mean to say that a machine has a...Ch. 9 - In which type of lever is the output force smaller...Ch. 9 - What is the efficiency of a machine that requires...Ch. 9 - Distinguish between theoretical mechanical...Ch. 9 - What is the efficiency of her body when a cyclist...Ch. 9 - In what sense are our bodies machines?Ch. 9 - Prob. 23ACh. 9 - What is the ultimate source of geothermal energy?Ch. 9 - Can we correctly say that a new source of energy...Ch. 9 - The mass and speed of three vehicles are shown...Ch. 9 - Consider these four situations. (A) a 3-kg ball at...Ch. 9 - A ball is released at the left end of the metal...Ch. 9 - The roller coaster ride starts with the car at...Ch. 9 - Rank the efficiency of these machines from highest...Ch. 9 - Prob. 31ACh. 9 - Rank the scale readings from greatest to least....Ch. 9 - Calculate the work done when a force of 1 N moves...Ch. 9 - Calculate the work done when a 20-N force pushes a...Ch. 9 - Calculate the work done in lifting a 500-N barbell...Ch. 9 - Calculate the watts of power expended when a force...Ch. 9 - Calculate the power expended when a 20-N force...Ch. 9 - How many joules of potential energy does a 1-kg...Ch. 9 - Calculate the increase in potential energy when a...Ch. 9 - Calculate the number of joules of kinetic energy a...Ch. 9 - How much work is required to increase the kinetic...Ch. 9 - What change in kinetic energy does an airplane...Ch. 9 - Which requires more work: stretching a strong...Ch. 9 - Two people who weigh the same amount climb a...Ch. 9 - A physics teacher demonstrates energy conservation...Ch. 9 - Consider the kinetic energy of a fly in the cabin...Ch. 9 - When a driver applies brakes to keep a car going...Ch. 9 - What is the theoretical mechanical advantage for...Ch. 9 - Dry-rock geothermal power can be a major...Ch. 9 - A stuntman on a cliff has a PE of 10,000 J. Show...Ch. 9 - Relative to the ground below, how many joules of...Ch. 9 - A hammer falls off a rooftop and strikes the...Ch. 9 - A car can go from 0 to 100 km/h in 10 s. If the...Ch. 9 - If a car traveling at 60 km/h will skid 20 m when...Ch. 9 - Place a small rubber ball on top of a basketball...
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