# Newton's Laws of Motion

## Quiz by Jaime Wetherby

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16 questions
• Q1
If you hit a baseball out into left field, why would it not continue to travel forever?
The ball's mass is not low enough to keep it going forever.
Outside forces intervene, which eventually bring the ball to a stop.
The ball did not have a great enough initial velocity.
The ball was not hit with enough force to keep it going forever.
45s
• Q2
Newton's first law of motion mostly focuses on an object's...
Weight
Acceleration
Mass
Inertia
20s
• Q3
If a variable is inversely proportional to another, it means that...
As one variable increases or decreases, the other variable does the OPPOSITE
As one variable increases or decreases, the other variable does the SAME
30s
• Q4
If a variable is directly proportional to another, it means that...
As one variable increases or decreases, the other variable does the OPPOSITE
As one variable increases or decreases, the other variable does the SAME
30s
• Q5
When a force is applied to some mass, the acceleration can be calculated as...
Mass ÷ Force (Mass/Force)
Force ÷ Mass (Force/Mass)
30s
• Q6
If I know the mass of a ball and how fast it took off when I kicked it, I can calculate the force I applied to the ball by using this equation...
Mass ÷ Acceleration
Mass X Acceleration
30s
• Q7
If I wanted to calculate how fast a baseball accelerated after applying some force with a bat, I would need to refer to Newton's ___________ Law.
3rd
2nd
1st
4th
30s
• Q8
A fly splatters when hitting the windshield of a moving car. According to Newton's 3rd law of motion, which object experienced more force?
The windshield experienced more force because it shattered on impact.
The force on both objects was equal (but in opposite directions). The fly could not withstand the same force that the windshield can.
The fly experienced more force because it splattered on impact.
60s
• Q9
Acceleration is measured in what units?
m/s2 (meters per second squared)
kg
N
m/s
60s
• Q10
Velocity is measured in what units?
m/s2 (meters per second squared)
N
kg
m/s
60s
• Q11
Mass is measured in what units?
kg
m/s2 (meters per second squared)
m/s
N
60s
• Q12
Force is measured in what units?
m/s
m/s2 (meters per second squared)
kg
N
60s
• Q13
Why can't the following question be solved right away with Newton's Second Law (F=ma)? Calculate the force applied to a 2g mass to make it accelerate at 3m/s2.
Acceleration is measured in m/s
You must first convert the grams (g) to kilograms (kg) for mass
45s
• Q14
What is true about the gravitational pull on objects?
Lower-massed objects accelerate at a faster rate
All objects, regardless of mass, accelerate toward Earth's surface at 9.8m/s2.
Higher-massed objects accelerate at a faster rate
45s
• Q15
As a rocket takes off from Earth, gases are pushed out the bottom of the rocket, propelling the rocket's body upward toward space. This is an example of Newton's ___________ Law of Motion.
1st
3rd
4th
2nd
30s

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