21046016
Descrição
Quiz por sherri oberding, atualizado more than 1 year ago
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Criado por sherri oberding
quase 6 anos atrás
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Questão 1
Questão
When one object exerts a push or a pull on another object
Responda
-
force
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velocity
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acceleration
Questão 2
Questão
Force is measured in
Responda
-
Newtons
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Benjamins
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pounds per square inch
Questão 3
Questão
Force is described by its strength and the direction in which it acts
Responda
- True
- False
Questão 4
Questão
The cominbation of all forces acting on an object is called the [blank_start]net force[blank_end]
Responda
-
net force
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total force
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combined force
Questão 5
Questão
[blank_start]Unbalanced[blank_end] forces acting on an object result in a net force and cause a change in the object's motion.
Responda
-
Unbalanced
-
Net
-
Total
Questão 6
Questão
Equal forces exerted on an object in opposite directions result in [blank_start]balanced[blank_end] forces
Responda
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balanced
-
net
-
total
Questão 7
Questão
Balanced forces acting on an object cause a change in the object's motion
Responda
- True
- False
Questão 8
Questão
You exert a force of 120N on a desk. Your friend exerts a force of 150N in the same direction. What net force to you and your friend exert on the desk?
Responda
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30 N
-
270 N
-
0 N
-
190 N
Questão 9
Questão
What 2 factors determine the force of friction?
Responda
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how hard the surfaces push together, types of surfaces involved
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speed and acceleration
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smoothness of surface and the speed of the friction
Questão 10
Questão
Type of friction that acts on objects that are not moving
Responda
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static friction
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sliding friction
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rolling friction
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fluid friction
Questão 11
Questão
Type of friction that occurs when two sided surfaces slide over each other.
Responda
-
static friction
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sliding friction
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rolling friction
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fluid friction
Questão 12
Questão
Type of friction that occurs when an object rolls across a surface
Responda
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Rolling Friction
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Sliding Friction
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Static Friction
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Fluid Friction
Questão 13
Questão
Type of friction that occurs when an solid object moves through a liquid
Responda
-
static friction
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fluid friction
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rolling friction
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sliding friction
Questão 14
Questão
Rolling friction is easier to overcome than sliding friction
Responda
- True
- False
Questão 15
Questão
A force that pulls objects towards each other
Responda
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force
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gravity
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mass
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friction
Questão 16
Questão
What two factors affect gravitational attraction between objects?
Responda
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mass and distance
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weight and mass
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speed and mass
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weight and distance
Questão 17
Questão
Weight = Mass
Responda
- True
- False
Questão 18
Questão
The force of gravity on a person or object at the surface of a planet
Responda
-
weight
-
mass
-
force
-
gravity
Questão 19
Questão
The more mass an object has, the greater its gravitational force
Responda
- True
- False
Questão 20
Questão
The greater the distance between two objects, the greater the gravitational force between them
Responda
- True
- False
Questão 21
Questão
Mass varies with gravitational forces
Responda
- True
- False
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