Newton's Law #2
Quiz by Naomi Atkinson
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25 questions
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- Q1Every object persists in its state of rest or uniform motion in a straight line unless it is compelled to change that state by forces impressed on it.First Law of Motion30s
- Q2An object's motion will not change until an unbalanced force acts on the object. An object will not start to move until an unbalanced force acts on it.First Law of Motion30s
- Q3Force is equal to the change in momentum per change in time. For a constant mass, force equals mass time acceleration. F=maSecond Law of Motion30s
- Q4The larger the unbalanced force on an object, the more the object's motion will change. The larger the object's mass, the smaller its acceleration will be.Second Law of Motion30s
- Q5For every action, there is an equal and opposite reaction.Third Law of Motion30s
- Q6Action forces always produce reaction forces. Action forces and reaction forces are always equal in size, but act in opposite directions.Third Law of Motion30s
- Q7Inertia is the tendency of an object to resist changes in its velocity: whether in motion or motionless.1st Law30s
- Q8the object has gained kinetic energy.If a force acts on a stationary object and causes motion...30s
- Q9Gravity, Magnetism, ElectrostaticTypes of force...30s
- Q10Sliding friction(ice skating), rolling friction(bowling), fluid friction(air or water) air or water resistanceTypes of friction30s
- Q11Lubrication, streamlining (aerodynamics), slowing down, smoothing surfacesFriction can be reduced by...30s
- Q12Because of inertia, objects resist their change in motion. When car that is going 80 km/hour is stopped by a brick wall, your body keeps moving at 80 km/hour.First Law of Motion30s
- Q13F=mxa2nd Law of Motion30s
- Q14The net force of an object is equal to the product of its mass and acceleration, or F=ma or m=f/a or a=f/m.2nd Law of Motion30s
- Q15the unit of force is in Newtons.When mass is in kilograms, and acceleration is in m/s/s,30s