Newton's laws of motion

Descripción

9th grade quiz
Rocky Parsons
Test por Rocky Parsons, actualizado hace más de 1 año
Rocky Parsons
Creado por Rocky Parsons hace más de 8 años
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Resumen del Recurso

Pregunta 1

Pregunta
What acts against the direction of motion and gets larger as an object moves faster?
Respuesta
  • Newton's second law
  • Terminal velocity
  • air resistance
  • 16 N

Pregunta 2

Pregunta
When the net force is zero, the forces on an object are balanced.
Respuesta
  • True
  • False

Pregunta 3

Pregunta
If two forces are in the same direction, they cancel each other out.
Respuesta
  • True
  • False

Pregunta 4

Pregunta
Any time the forces are unbalanced, an object at rest will stay at rest until a net force acts upon it.
Respuesta
  • True
  • False

Pregunta 5

Pregunta
Force is equal to mass times acceleration.
Respuesta
  • gravity
  • -16 N
  • 600 N
  • F=ma
  • a=F/m

Pregunta 6

Pregunta
the speed an object reaches when the force of gravity is balanced by the force of air resistance
Respuesta
  • Terminal Velocity
  • Gravity
  • Net Force
  • Friction
  • Force

Pregunta 7

Pregunta
An object will [blank_start]accelerate[blank_end] when the net force is not zero.
Respuesta
  • accelerate
  • Slipping
  • brake
  • static
  • strength

Pregunta 8

Pregunta
A force can [push, pull, either push or pull]
Respuesta
  • push
  • pull
  • either push or pull

Pregunta 9

Pregunta
[static, sliding, rolling] friction keeps an object at rest .
Respuesta
  • static
  • sliding
  • rolling

Pregunta 10

Pregunta
Force always act in equal but opposite pairs.
Respuesta
  • normal force
  • Newton's third law of motion
  • force
  • friction

Pregunta 11

Pregunta
Friction brings most moving objects to a stop.
Respuesta
  • True
  • False
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