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WorksheetsMechanical Advantage Study Guide
Total questions: 20
Worksheet time: 1hrs 13mins
work.
output force.
mechanical advantage.
Simple machines help make work _________.
Less
Harder
Easier
a rigid bar that is free to pivot, or rotate, on a fixed point
wedge
lever
fulcrum
Jeff is a landscaping contractor and lifts a rock weighing 600 pounds by wedging a board under the rock. Jeff weighs 150 pounds and puts all of his weight on the lever. What was his MA?
0
2
4
Mechanical advantage tells you how many times your ____ is multiplied
efficiency.
effort force.
work.
This 2000 N weight is raised 1 meter by pulling 4 meters of rope. What force was required to pull the rope?
500 N
2000 N
8000 N
What is the ideal mechanical advantage of the following pulley?
1
2
4
6
What is the ideal mechanical advantage of the following pulley?
1
2
4
6
the force you exert on the machine
input force
output force
efficiency
mechanical advantage
a simple machine that is a flat, sloped surface
inclined plane
wedge
lever
fulcrum
a device that is thick at one end and tapers to a thin edge at the other end
wedge
inclined plane
lever
fulcrum
a machine that utilizes two or more simple machines
compound machine
machine
wedge
screw
What causes machines to not be 100% efficient
humans
friction
time
the greater the mechanical advantage the less _______ force is required for the machine
work
power
effort
What is the mechanical advantage of a lever if the effort arm is 6 feet and the resistance arm is 2 feet?
a) 1
b) 2
c) 3
d) 4
What is the formula to calculate mechanical advantage using force?
a) MA = Effort Distance / Resistance Distance
b) MA = Input Force / Output Force
c) MA = Effort Arm / Resistance Arm
d) MA = Force x Distance
What is the ideal mechanical advantage of this inclined plane?
1
3
6
8
For a machine to create mechanical advantage, it must trade increased time or ____________________ for reduced effort.
Distance
Extended
Work
Time
