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Duplicate of Physics! Flashcards | StudBud
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Duplicate of Physics!
Duplicate of Physics!
15 terms
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physics, laws of motion #physic #lawsofmotion
Flashcards
15 cards
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Questions
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Answers
1
The second law states...
An object at rest will stay at rest
For every action there is an equal and opposite reaction
Forces are never applying to objects in space
A force acting on an object will move the object
2
If you have an object that has a small mass & you apply a large force to it, what will happen?
No Acceleration
Small acceleration
Large acceleration
3
If a 31 kg object has a 124N force applied to it, what will the acceleration be?
4N
4m/s2
0.25m/s2
3844N
4
What would be the reaction to you pushing your desk?
The desk not moving
The desk pushing back on you
The desk moving backwards
The desk moving forward
5
What is the name of the scientist that came up with the laws of motion?
Isaac Newton
John Locke
Benjamin Franklin
Dmitri Mendeleev
6
What word can sum up the first law?
Force
Inertia
Acceleration
Action
7
If an object has a mass of 5kg and is accelerating at 10 m/s
2
What is the force acting on it?
50kg
50N
500kg
500N
8
Safety bars on a roller coaster help you stay in place when the cart stops. Why?
Inertia of an object at rest
Inertia of a moving object
9
What is the correct formula for speed?
d=s/t
s=t/d
s=d/t
s=dt
10
What is the speed of a 1300kg car that travels 150km in 3 hrs?
433km/hr
8.6km/hr
450km/hr
50km/hr
11
The third law states...
A force acting on an object will move the object
For every action there is an equal and opposite reaction
Forces are never applying to objects in space
An object at rest will stay at rest
12
Which of these is acceleration?
A bike resting on it's kick stand
A book siting on the desk
A track star running around a track
A car reving it's engine
13
The first law states...
An object at rest will stay at rest
F=ma
For every action there is an equal and opposite reaction
A force acting on an object will move the object
14
What is the measurement of inertia?
Mass
Weight
Volume
Gravity
15
What is the acceleration of gravity on Earth?
8.9km/hr
8.9kg
9.8m/s2
9.8N
