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Physics 1st Semester Review (Reg) Flashcards | StudBud
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Physics 1st Semester Review (Reg)
Physics 1st Semester Review (Reg)
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Newtons laws of motion #grade10
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
Which of Newton's Laws describes the amount of force applied to accelerate an object's mass?
3rd Law
1st Law
2nd Law
4th Law
2
How could you tell if a moving object is receiving an unbalanced force?
It might change direction.
It might do any of the three things mentioned above.
It might slow down.
t might speed up.
3
The acceleration of gravity on Earth is...
89m/s/s
9.8m/s/s
0.9m/s/s
None of the above
4
Margot, mass 59.6 kg, has a v of 23.4 m/s at h= 44.6 m. Find the total energy of Queen Margot.
4.24 x 10^8 J
4.24 x 10^4 J
42.4 x 10^4 J
4.24
5
Gravity and magnetism are examples of what kind of forces?
non-contact
contact
Frictional
Momentum
6
Newton's second law of motion uses the formula...
E=MCC
F=MA
A=PRR
None of the above
7
What is the rate at which an object's velocity changes?
Acceleration
Velocity
Angular momentum
Free fall
8
An object at rest will ________________ if no outside forces are applied.
Stay at rest
Decrease Mass
Increase Velocity
9
A greater force is needed to move an object with more mass than one with a smaller mass.
False
True
10
How can you tell if an object is in motion?
The object will look different
The position will change in relation to other objects
You can see the forces
It will remain in the same position
11
The relationship between force and acceleration is
directly linear
inverse linear
indirect quadratic
direct quadratic
12
Physics is all about studying the laws and rules of
Atmospheres
Animals
Planets
Matter
13
Why do you lean towards the left when a car turns right?
Gravity
Velocity
Buoyancy
Inertia
14
For every ________ there is an equal and opposite _____________.
Action, reaction
Reaction, action
reaction, reaction
action, action
15
Is it harder to push a van filled with bowling balls or a van filled with basketballs?
Basketballs
The same difficulty
Bowling Balls
16
How long will an object remain at rest, according to Newton's First Law of Motion?
It can't rest
As long as there is unbalanced forces acting on it
Until noon
Until an unbalanced force occurs
17
A newton is equal to which of the following?
meter per second squared
kilogram-meter per second squared
kilogram per meter-second
kilogram-meter per second
18
The amount of force needed to move an object is measured in...
KILOMETERS
SECONDS
NEWTONS
GRAMS
19
Ilan and his friends apply a force of 1080 N to push the car 218 m. What is the work done?
72
23.5 x 10^5
2.35 x 10^5 J
2.35 x 10^7 J
20
FΔt is force multiplied by change in time or Impulse. What is Impulse equal to?
FΔt=mv
FΔt=mΔv
FΔt=Vt
FΔt=m/ΔV
21
Physics doesn't use any math
True
False
22
Momentum is related to Newtons First Law.
False
True
23
Acceleration is the same thing as velocity.
False
True
24
Which of Newton's Laws is demonstrated by a ball rolling to a wall then stopping?
1st Law
Law of Acceleration
2nd Law
3rd Law
25
What is inertia?
The opposite force of gravity
Another name for unbalanced force
The tendency of an object to continue doing what it's doing
The mass of an object
