Science Chapter 3 Test

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Title of test:
Science Chapter 3 Test

Description:
Test

Author:
Neville
(Other tests from this author)

Creation Date:
02/03/2011

Category:
Science
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Content:
cause mass weight balanced force speedometer .
frame of reference air resistance friction inertia acceleration .
What is Newton's second law force = mass x acceleration boys = smelly x ugly mass = force x acceleration acceleration = mass x force.
velocity force speed distance gravity displacement .
For every action, there is a reaction true false.
Force must come in pairs. true false.
Wind is not a force. true false.
Newton's first law of motion all objects resist changes in motion no objects resist changes in motion force = mass x acceleration mass = force x acceleration.
In what 3 ways can an object accelerate? speed up, slow down, or change direction stop, go, turn.
An object can accelerate in only 2 ways. true false.
An object can accelerate by speeding up, slowing down, and changing direction. true false.
Sky divers go slower by tucking in their arms and legs and pointing their heads down. true false.
Sky divers go faster by tucking in their arms and legs and pointing their heads down. true false.
Sky divers slow down by spreading out their arms and legs. true false.
Sky divers speed up by spreading out their arms and legs. true false.
In what direction does an object accelerate? the direction that is applied to it the opposite direction it is applied to.
An object accelerates in the direction that is applied to it. true false.
A back massager and a phone buzzing are examples of vibrational motion vibrational force vibrational speed.
An unbalanced force must be acted on an object to make it move. true false.
A balanced force must be acted on an object to make it move. true false.
An object with greater mass has a greater force of gravity true false.
An object with greater mass has less force of gravity true false.
How does air resistance play a role on falling objects? it can slow down or speed up falling objects it can resist air it can measure gravity.
What is measured using newtons? weight speed direction gravity.
Yo Yos use circular and straight line motion curvy motion vibrational motion.
A ball hitting a racket is an example of balanced force unbalanced force acceleration.
What causes tides? the moon's gravity the moon's inertia the moon's craters.
What is the law of inertia? an object in motion stays in motion an object in motion stops its motion.
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