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Simple Machines Part 2
Test Description: Complete these questions to review more information on simple and complex machines.
Instructions: Answer all questions to get your test result.
1) A simple machine allows the user to apply a______________ force over a _________________ distance to move an object.
A
smaller, larger
B
larger, smaller
2) Simple machines can also change the _________________ of the force applied. (for example: to move objects up, a rope of a pulley needs to be pulled down)
A
velocity
B
nothing
C
gravity
D
distance
3) If the distance over which the effort force is exerted is ________________, the same amount of work can be done with a smaller effort force.
A
decreased
B
changed
C
increased
D
moved
4) Movable pulleys are used to ______________ the effort force.
A
not change
B
increase
C
reduce
5) A _________________________changes only the direction of the force (you pull down and the weight goes up.)
A
Single fixed pulley
B
Movable pulley
6) True or False: The more steep the inclined plane the less force is needed to move up.
A
False
B
True
7) True or False: Scissors are compound machines consisting of two levers and two wheel and axles.
A
False
B
True
8) True or False: A fishing pole consisting of a lever, a wheel and axle and a pulley.
A
True
B
False
9) A wheelchair ramp is considered an ___________________.
A
Screw
B
Wheel and Axle
C
Compound machine
D
Inclined plane
10) A wedge is a type of ______________.
A
Wheel and Axle
B
Inclined plane
C
Pulley
D
Screw
*select an answer for all questions
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