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Forces/Motion/Simple Machine
Test Description: Practice Test
Instructions: Answer all questions to get your test result.
1) What is a simple machine made up of two inclined planes?
A
simple machines
B
incline plane
C
lever
D
wedge
2) What is a device used for work that changes the force of the motion?
A
wedge
B
lever
C
incline plane
D
simple machines
3) What is simple machine made up of a slanted surface?
A
simple machines
B
lever
C
wedge
D
incline plane
4) What is a simple machine made up of a stiff bar that moves freely around a fixed point?
A
wedge
B
lever
C
incline plane
D
simple machines
5) The change of an object's place compared to the objects around it is _________.
A
shadow
B
friction
C
position
D
motion
6) Mrs. Dombroski is using a screwdriver to open a lid. What simple machine is the screwdriver acting like?
A
screw
B
pulley
C
inclined plane
D
lever
7) The measure of the distance an object travels in a certain amount of time is called
A
friction
B
motion
C
gravity
D
speed
8) An object will only move when balanced forces act upon it.
A
True
B
False
9) What causes objects to move?
A
friction
B
unbalanced forces
C
gravity
D
balanced forces
10) One way to INCREASE friction is to use _______
A
soap
B
sand
C
water
D
oil
11) Why does a book on a table not move?
A
The force of the table pushing up and the force of gravity pulling down are balanced.
B
The air is holding the book down.
C
There are not enough forces acting on the book.
D
No forces are acting on the book.
12) What simple machine is part of BOTH a screw and a wedge?
A
inclined plane
B
lever
C
pulley
D
wheel and axle
13) What forces doe a mom use to move a stroller?
A
speed
B
push
C
gravity
D
pull
14) What force do you use when you rake leaves?
A
pull
B
friction
C
gravity
D
push
15) What simple machine changes a weak circular force into a strong downward force?
A
pulley
B
lever
C
screw
D
wheel and axle
16) What would cause a ball to fall to the ground?
A
friction
B
gravity
17) Gravity and friction are both forces that change an object's motion.
A
False
B
True
18) Without decreasing friction, a heavy box can be easily moved across a concrete sidewalk.
A
False
B
True
19) If you are not moving, what kind of forces is happening?
A
unbalanced force
B
balanced force
*select an answer for all questions
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