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10A pulley is a type of simple machine.
A fixed pulley can move along with the load.
A movable pulley changes the direction of the applied force.
A pulley wheel has a groove for the rope to pass through.
In a single fixed pulley, the effort distance is equal to the load distance.
The velocity ratio of a single movable pulley is 1.
Increasing the number of pulleys reduces the effort required.
Mechanical advantage is the ratio of effort to load.
Friction can reduce the mechanical advantage of a pulley system.
Combined pulleys consist of only fixed pulleys.
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Why is a single fixed pulley used even when it does not have a mechanical advantage?
Which of the following is the velocity ratio of a three pulley system?
Which material is commonly used to make a pulley wheel?
What happens to effort when more pulleys are added in a combined pulley system?
Which pulley system provides the maximum mechanical advantage?
What supports the load in a pulley system?
Which of the following best defines velocity ratio?
In which pulley is the load supported by only one rope segment?
Why is friction undesirable in pulley systems?
Which pulley system is commonly used in wells to draw water?
A pulley consists of a wheel and a ______.
A fixed pulley is used mainly to change the ______ of force.
The pulley that moves with the load is called a ______ pulley.
The velocity ratio of a single fixed pulley is ______.
The velocity ratio of a single movable pulley is ______.
Mechanical advantage is calculated by dividing ______ by effort.
In a movable pulley, the load is supported by ______ rope segments.
A combined pulley contains both ______ and ______ pulleys.
Effort distance means the distance covered by the ______.
Lifting a flag on a pole is an example of using a ______ pulley.