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Newton's Three Laws and Forces Flashcards | StudBud
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Newton's Three Laws and Forces
Newton's Three Laws and Forces
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Newton's laws, fundamental forces
Flashcards
28 cards
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Questions
28
Answers
1
Which form of friction most greatly impedes (stops) motion:
fluid
static
sliding
rolling
2
Which is the stronger form of friction:
air resistance
static friction
sliding friction
rolling friction
3
Which of these impacts the amount of the friction force when pushing a table:
weight of the table
temperature of the room
direction you are pushing
color of table
4
Someone throws a 5 kg rock at you accelerating at a rate of 2 m/s
2
you will be hit with a:
Force of 2.5 N
Force of 0.4 N
Force of 10 N
Force of 5 N
5
You try to run through the water at the beach, which form of friction is in play?
sliding
fluid
rolling
static
6
Newton's First Law is also known as the Law of ________
Motion
Force
Rest
Inertia
7
A car breaks on the highway while traveling 90mph, which form of friction is in play?
static
rolling
sliding
fluid
8
Force is measured in _______________?
Fig Newtons
kilograms
m/s/s
Newtons
9
When a car is driving normally which form of friction is mostly in play?
static
rolling
fluid
sliding
10
The smaller the force applied the ____________ the acceleration
bigger
smaller
same
faster
11
Which law explains this situation: A rock sitting on the ground
1st
3rd
2nd
12
Which law explains this situation: Whiplash from being in a car accident
2nd
1st
3rd
13
What property of an object determines its inertia
height
width
speed
mass
14
A 2000 kg car hits a wall with a force of 10,000 N. What was the car's acceleration?
2 m/s2
0.4 m/s2
5 m/s2
20,000 m/s2
15
This object has the most inertia (don't let the picture trick you)
dog
planet
feather
car
16
What types of forces occur in Newton's Third Law
equal and opposite
up and down
fast and slow
dark and bright
17
As distance increases the force of gravity
stays the same
not enough information
decreases
increases
18
the acceleration due to gravity on earth is:
9.8 m/s2
100 m/s2
5 m/s2
1.6 m/s2
19
Who discovered the Three Laws of Motion
Isaac Hayes
Steven Hawking
Fig Newton
Isacc Newton
20
Which law explains this situation: F = M x A
1st
3rd
2nd
21
An object not moving is all called (in physics terms)?
starting position
at rest
in motion
asleep
22
What mathematical equation is Newton's Second Law of Motion?
F=MxA
F=M=A
M=FxA
A+MxF
23
Forces that cause motion are ____________ forces
unbalanced
fast
balanced
slow
24
A 100 kg man runs from rest to a speed of 10 m/s in 2 sec. His Force at this time is:
100 N
500 N
20 N
7.46 N
25
An object will keep moving at a constant ___________ and in the same _______ until acted upon.
speed, velocity
speed, unbalance
speed, direction
direction, inertia
26
If you apply twice as much force to the same object you will get
twice the acceleration
half the acceleration
four times the acceleration
one fourth the acceleration
27
An objects' tendency to stay at rest is known as
force
mass
inertia
acceleration
28
If an object accelerates at a rate of 5 m/s
2
when a force of 10 N is applied, it has mass =
2 kg
0.5 pounds
0.5 kg
2 pounds