21046016
Descripción
Test por sherri oberding, actualizado hace más de 1 año
|
Creado por sherri oberding
hace casi 6 años
|
|
Pregunta 1
Pregunta
When one object exerts a push or a pull on another object
Respuesta
-
force
-
velocity
-
acceleration
Pregunta 2
Pregunta
Force is measured in
Respuesta
-
Newtons
-
Benjamins
-
pounds per square inch
Pregunta 3
Pregunta
Force is described by its strength and the direction in which it acts
Respuesta
- True
- False
Pregunta 4
Pregunta
The cominbation of all forces acting on an object is called the [blank_start]net force[blank_end]
Respuesta
-
net force
-
total force
-
combined force
Pregunta 5
Pregunta
[blank_start]Unbalanced[blank_end] forces acting on an object result in a net force and cause a change in the object's motion.
Respuesta
-
Unbalanced
-
Net
-
Total
Pregunta 6
Pregunta
Equal forces exerted on an object in opposite directions result in [blank_start]balanced[blank_end] forces
Respuesta
-
balanced
-
net
-
total
Pregunta 7
Pregunta
Balanced forces acting on an object cause a change in the object's motion
Respuesta
- True
- False
Pregunta 8
Pregunta
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?
Respuesta
-
30 N
-
270 N
-
0 N
-
190 N
Pregunta 9
Pregunta
What 2 factors determine the force of friction?
Respuesta
-
how hard the surfaces push together, types of surfaces involved
-
speed and acceleration
-
smoothness of surface and the speed of the friction
Pregunta 10
Pregunta
Type of friction that acts on objects that are not moving
Respuesta
-
static friction
-
sliding friction
-
rolling friction
-
fluid friction
Pregunta 11
Pregunta
Type of friction that occurs when two sided surfaces slide over each other.
Respuesta
-
static friction
-
sliding friction
-
rolling friction
-
fluid friction
Pregunta 12
Pregunta
Type of friction that occurs when an object rolls across a surface
Respuesta
-
Rolling Friction
-
Sliding Friction
-
Static Friction
-
Fluid Friction
Pregunta 13
Pregunta
Type of friction that occurs when an solid object moves through a liquid
Respuesta
-
static friction
-
fluid friction
-
rolling friction
-
sliding friction
Pregunta 14
Pregunta
Rolling friction is easier to overcome than sliding friction
Respuesta
- True
- False
Pregunta 15
Pregunta
A force that pulls objects towards each other
Respuesta
-
force
-
gravity
-
mass
-
friction
Pregunta 16
Pregunta
What two factors affect gravitational attraction between objects?
Respuesta
-
mass and distance
-
weight and mass
-
speed and mass
-
weight and distance
Pregunta 17
Pregunta
Weight = Mass
Respuesta
- True
- False
Pregunta 18
Pregunta
The force of gravity on a person or object at the surface of a planet
Respuesta
-
weight
-
mass
-
force
-
gravity
Pregunta 19
Pregunta
The more mass an object has, the greater its gravitational force
Respuesta
- True
- False
Pregunta 20
Pregunta
The greater the distance between two objects, the greater the gravitational force between them
Respuesta
- True
- False
Pregunta 21
Pregunta
Mass varies with gravitational forces
Respuesta
- True
- False
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.