Newton's First Law and Forces

Newton's 1st Law is also called the Law of ...

• Friction

• Inertia

• Unbalanced forces

• Newtons

An object in motion tends to stay in motion unless an ___ force acts on it.

• unbalanced
• balanced

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Objects with greater _________ also have greater inertia.

• speed
• mass
• temperature
• friction

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The law of inertia (Newton’s First Law) applies

• to both moving and nonmoving objects
• only to moving objects
• only to objects that are not moving

Because of inertia, a moving object will keep ________ unless acted on by an unbalanced force.

• at rest

• moving

• in one spot

• inertia

Because of inertia, a resting object will remain at ________.

• rest
• a constant speed
• school
• inertia 

What kind(s) of objects have inertia?

• all objects with mass
• only objects at rest
• only objects in motion
• only objects whose motion is being changed

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You push on a car and it does not move.  What is true about the inertia?

• The inertia is changing
• The inertia of the car is too great 
• The inertia of the person is equal to the car
• There is not inertia because of no movement

Tags

NGSS.MS-PS2-2

Galileo found that a ball rolling down one inclined plane would roll how far up another inclined plane? 

• The ball would not rull up the other plane at all. 
• to nearly the original height
• to nearly twice the original height. 
• to nearly half it original height

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NGSS.MS-PS3-2

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An object following a straight-line path at a constant speed 

• has zero acceleration
• has no forces acting on it
• has a net force acting in the direction of motion
• none of these

Tags

NGSS.MS-PS2-2