Work-energy Theorem worksheets
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How many simple machines are there?
7
6
3
10
A screw is made up of ________ wrapped around a pole.
an inclined plane
springs
strings
levelrs
In order to lift an object heavier than yourself using a lever, you need to move the fulcrum...
closer to the effort
closer to the load
to the middle
A greater force on an object can produce a greater change in motion.
true
false
A block and tackle pulley system combines BOTH a fixed and movable pulley.
true
false
The weight or resistance that is moved using a simple machine.
class 3 lever
effort
load
fulcrum
The force applied to move a load using a simple machine.
class 2 lever
newton
effort
load
The metric unit used to measure force.
fulcrum
newton
inches
spring scale
The point at which a lever arm pivots.
fulcrum
effort
load
resistance
An opposing force tending to prevent motion.
fulcrum
load
effort
resistance
A lever in which the fulcrum is between the load and the effort.
class 1
class 2
class 3
A lever in which the effort is between the fulcrum and the load.
class 2
class 2
class 3
A lever in which the load is between the fulcrum and the effort.
class 1
class 2
class 3
Which is a characteristic of simple machines?
they run on electricity
they take a long time to make
they have few or no moving parts
they are not very large
A fishing pole is an example of which type of simple machine?
inclined plane
screw
wedge
lever
A doorknob is an example of which type of simple machine?
pulley
inclined plane
wheel and axle
lever
A vending machine uses which simple machine to push out candy?
wedge
screw
wheel and axle
lever
Which simple machine listed is an example of a wedge?
seesaw
tricycle
axe
doorknob
In this picture, the #2 is labeling the...
fulcrum
effort
load
resistance
In this picture, the #3 is labeling the...
effort
load
fulcrum
lever arm
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