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NHSPA Year 10 Science - Newton's Laws Flashcards | StudBud
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NHSPA Year 10 Science - Newton's Laws
NHSPA Year 10 Science - Newton's Laws
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Quiz on Newton's Laws and forces #physics #newtonslaws
Flashcards
42 cards
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Questions
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Answers
1
Which object has the greatest inertia?
a 10.-kg object moving at a speed of 3.0m/s
a 5.0-kg object moving at a speed of 5.0m/s
a 20.-kg object at rest
a 15-kg object moving at a speed of 1.0m/s
2
Calculate the force of a 21 kg football player running at a rate of 3 m/s²
63 N
7 N
63 m/s
7 m/s
3
True or False: Force is not a vector quantity.
False
True
4
20 N --> + 20 N --> =
-40 N -->
40 N -->
0 N -->
5
Name the two types of friction
static & kinetic
applied & normal
hot & cool
angular & momentum
6
Support force that is in contact with another stable object
Applied
Tension
Normal
Spring
7
What is the unit for acceleration?
Depends on Speed
m/s2
N
m/s
8
Force transmitted through a string, wire, rope, and or cable when objects are at both ends
Tension
Normal
Spring
Applied
9
<-- 40 N + 20 N --> =
<-- 60 N
60 N -->
<-- 20 N
10
Identify the formula below
Law of Universal Gravitation
Law of Forces
Freefall
Newtons 2nd Law
11
What does " L " represent in the formula below?
latitude
friction
angular momentum
law of force
12
The resistance an object to a change in its state of motion.
Newton's 3rd
Friction
Inertia
13
If the mass of an object is decreased, its inertia
Remains in motion
Increases
Decreases
14
Which law states: An object continues in uniform motion in a straight line unless disturbed by an unbalanced force
Newton's 2nd
Newton's 3rd
Newton's 1st
15
The sum of all forces acting upon an object is known as:
kinetic force
net force
gross force
static force
16
Exerted by a spring when objects are connected to both ends
Normal
Spring
Tension
Applied
17
30 N South + 50 N North =
80 N North
20 N North
80 N South
18
Distance traveled per unit time
force
Acceleration
Velocity
19
If the sum of all the forces acting on a moving object is zero, the object will
change the direction of its motion
accelerate uniformly
slow down and stop
continue moving with constant velocity
20
Which below is when all the forces acting upon an object balance?
Unbalanced Force
Equilibrium
Force
21
True or False: Forces
only
exist as a result of an interaction.
True
False
22
Which body is in equilibrium?
a ball falling freely toward the surface of Earth
) a satellite orbiting Earth in a circular orbit
a projectile climbing to its highest point in its trajectory
a bus moving with a constant speed
23
Diagram used to visualize the magnitude and direction of all forces acting upon an object.
Picture
Motion
Venn
Free Body
24
Force applied to an object by another object or person
Applied
Spring
Normal
Tension
25
Force is a quantity that is measured using the standard metric unit known as...
Kilogram
Newton
gram
26
In a weightless environment, would it require a force to set an object in motion?
No
Yes
27
Which motion describes movement of an object in a straight line?
accelerated motion
centripedal motion
linear motion
28
Which law states: For every action, there is an equal and opposite reaction
Newtons 3rd Law
Newtons 1st Law
Newtons 2nd Law
29
What is the acceleration of an object with a 42 Newton force that has a mass of a 6 kg?
7 N
7m/s2
252 m/s2
30
True or False: The more inertia that an object has, the more mass that it has.
True
False
31
10 N East + 10 N West =
20 N West
20 N East
0 N
32
1 Newton = 1 kg • m/s2
False
True
33
A force is described as _________ or _________ that acts on an object.
gravity or friction
push or pull
34
Identify the force that opposes motion between two surfaces.
Newton's 1st
Force
Friction
35
Which law states: Force equals mass times acceleration. F = m x a
Newton's 3rd
Newton's 2nd
Newton's 1st
36
Which situation describes an object that has no unbalanced force acting on it?
an apple in free fall
a satellite orbiting Earth
a hockey puck moving at constant velocity across ice
a laboratory cart moving down a friction less 30.°incline
37
Force exerted by a surface as an object moves across it.
Normal
Air Resistance
Applied
Sliding Friction
38
Rockets can be used to specifically illustrate action/reaction which is which Newton’s law?
3rd
1st
Law of Gravitation
2nd
39
Which of the below is the result of unbalanced forces?
rest
acceleration
constant velocity
40
Calculate the mass of an object moving with a 20N force and an acceleration of 5m/s
2
100kg
4kg
4N
100N
41
Force created when a large object (like a planet) attracts another toward it.
Normal
Applied
Tension
Gravity
42
Frictional force which acts on objects travelling through air.
Air Resistance
Applied
Kinetic Friction
Normal