#1unit d the amount by which a machine can multiply a force
TRANSCRIPT
#1 UNIT D
The amount by which a machine can multiply a force.
#1 UNIT D
The amount by which a machine can multiply a force.
MECHANICAL ADVANTAGE
#2 UNIT D
A device that helps us do work.
#2 UNIT D
A device that helps us do work.
MACHINE
#3 UNIT D
A rigid bar or plank that can rotate around a fixed point.
#3 UNIT D
A rigid bar or plank that can rotate around a fixed point.
LEVER
#4 UNIT D
In this class of lever the EFFORT is in the middle.
#4 UNIT D
In this class of lever the EFFORT is in the middle.
THIRD
#5 UNIT D
Is shaped like an inclined plane but it is used for a different purpose.
#5 UNIT D
Is shaped like an inclined plane but it is used for a different purpose.
WEDGE
#6 UNIT D
One part of a system.
#6 UNIT D
One part of a system.
SUBSYSTEM
#7 UNIT D
A steering wheel in a car is an example of this type of machine.
#7 UNIT D
A steering wheel in a car is an example of this type of machine.
WHEEL & AXLE
#8 UNIT D
A group of parts that work together to perform a function.
#8 UNIT D
A group of parts that work together to perform a function.
SYSTEM
#9 UNIT D
The force applied to the machine.
#9 UNIT D
The force applied to the machine.
INPUT FORCE
#10 UNIT D
The force the machine applies to the object.
#10 UNIT D
The force the machine applies to the object.
OUTPUT FORCE
#11 UNIT D
A force that opposes motion.
#11 UNIT D
A force that opposes motion.
FRICTION
#12 UNIT D
A measurement of how well a machine or device uses energy.
#12 UNIT D
A measurement of how well a machine or device uses energy.
EFFICIENCY
#13 UNIT D
The gear the force is applied to.
#13 UNIT D
The gear the force is applied to.
DRIVING GEAR
#14 UNIT D
Is a cylinder with a groove cut in a spiral on the outside.
#14 UNIT D
Is a cylinder with a groove cut in a spiral on the outside.
SCREW
#15 UNIT D
The formula for mechanical advantage is;
#15 UNIT D
The formula for mechanical advantage is;
MA=OUTPUT FORCE/INPUT FORCE
#16 UNIT D
The formula for speed ratio is;
#16 UNIT D
The formula for speed ratio is;
SR=INPUT D / OUTPUT D
#17 UNIT D
The amount of work depends on two things;
#17 UNIT D
The amount of work depends on two things;
FORCE EXERTED &DISTANCE MOVED
#18 UNIT D
A measure of the amount of force applied to a given area.
#18 UNIT D
A measure of the amount of force applied to a given area.
PRESSURE
#19 UNIT D
Pressure applied to an enclosed fluid is transmitted equally in all directions is known as ________ law.
#19 UNIT D
Pressure applied to an enclosed fluid is transmitted equally in all directions is known as ________ law.
PASCAL’S
#20 UNIT D
A tool or device made up of one basic machine.
#20 UNIT D
A tool or device made up of one basic machine.
SIMPLE MACHINE
#21 UNIT D
What is the formula for work?
#21 UNIT D
What is the formula for work?
W = F x D
#22 UNIT D
If a small syringe with a diameter of 2 cm has a force applied to it of 20 N, and the large syringe on the other side has a diameter of 10 cm, how many Newtons of force will be present at the large syringe.
#22 UNIT D
If a small syringe with a diameter of 2 cm has a force applied to it of 20 N, and the large syringe on the other side has a diameter of 10 cm, how many Newtons of force will be present at the large syringe.
100N
#23 UNIT D
If a syringe system has an MA of 5 and the small syringe moves 15cm down, how for up will the large syringe move?
#23 UNIT D
If a syringe system has an MA of 5 and the small syringe moves 15cm down, how for up will the large syringe move?
3 cm
#24 UNIT D
The purpose of task.
#24 UNIT D
The purpose of task.
FUNCTION
#25 UNIT D
A one-speed bike and a 21 speed bike are both __________ in performing the task.
#25 UNIT D
A one-speed bike and a 21 speed bike are both __________ in performing the task.
EFFECTIVE
#26 UNIT D
A 21-speed bike is more _______ than a one-speed bike in performing the task.
#26 UNIT D
A 21-speed bike is more _______ than a one-speed bike in performing the task.
EFFICIENT
#27 UNIT D
The physical form of the device that makes it useable.
#27 UNIT D
The physical form of the device that makes it useable.
DESIGN
#28 UNIT D
When you buy a more fuel efficient car because you do not want to pollute as much you are considering the…
#28 UNIT D
When you buy a more fuel efficient car because you do not want to pollute as much you are considering the…
ENVIRONMENT
#29 UNIT D
What is the MA of a syringe system where the small syringe is 5cm in diameter and the large syringe is 30 cm in diameter?
#29 UNIT D
What is the MA of a syringe system where the small syringe is 5cm in diameter and the large syringe is 30 cm in diameter?
MA = 6
#30 UNIT D
In a block & tackle pulley system, what would be the MA if there are 4 pulleys.
#30 UNIT D
In a block & tackle pulley system, what would be the MA if there are 4 pulleys.
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SCIENCE 8
UNIT DMECHANICAL SYSTEMS
ROCK & ROLL REVIEW