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STEM123 (2nd Semester) > Types of Forces > Flashcards

Types of Forces Flashcards

1
Q

“A standard relative to which motion and rest may be measured’”

A

Inertial Frame Reference

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2
Q

Can this things be measured by an inertial frame, for example a bus, ships, and planes? Yeah or nah

A

Nah

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3
Q

“Interaction between two bodies or between a body its environment”

A

Force

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4
Q

List the types of contact forces

A

Friction(Static or Kinetic)
Normal
Air Resistance
Applied
Tension

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5
Q

List the types of non-contact forces

A

Gravitational
Magnetic
Electostatic

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6
Q

These are types of forces that result when two interacting objects are perceived to be physically contacting each other

A

Contact Forces

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7
Q

Is the force exerted by a surface as an object moves across it or tries to move across it.

A

Friction Force

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8
Q

It is a force where it can static or sliding friction

A

Friction Force

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9
Q

It is a force that often opposes the motion of an object.

A

Friction force

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10
Q

This type of contact force depends upon the nature of the two surfaces and upon degree to which they are pressed together.

A

Friction force

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11
Q

It is a friction force that keeps a stationary object at rest

A

Static Friction

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12
Q

It is a type of friction force that needs to initiate motion of the box the man must OVERCOME the force of static friction.

A

Static Friction

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13
Q

This type of friction force has the formula :

fs = Fn x Us

Us = coefficient of _________ _________

A

Static Friction

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14
Q

It is a type of friction force that once the static friction is overcome, __________ ______ is the force that slows down a moving object

A

Kinetic Friction

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15
Q

It is a type of friction that once upon sliding, the baseball player will come to a COMPLETE STOP due to the force of kinetic friction.

A

Kinetic Friction

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16
Q

This type of friction force has a formula of:
fk = FsubN x Usubk
usubk = coefficient of __________ ________

A

Kinetic Friction

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17
Q

This type of force is the force that is transmitted through a string, rope, cable or wire when it is pulled tight by forces acting from opposite ends.

(Spring Force)
(Has compression and Expansion)

A

Tension Force

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18
Q

This type of force can be examples by a simple game of “tug-of-war”

A

Tension force

19
Q

It is a type of contact force that is the support force exerted upon an object that is in contact with another stable object.

A

Normal force

20
Q

It is a type of contact force that is exerted horizontally between two objects that are in contact with each other. (Must have surface)

A

Normal Force

21
Q

It is a type of contact force that is a special type of frictional force that acts upon objects as they travel through the air.

A

Air Resistance Force

22
Q

This type of force where it’s example can experience this force when floating through the air with a parachute

A

Air resistance

23
Q

It is a force that is applied to an object by a person or another object.

A

Applied Force

24
Q

This type of force can be examples by a man pushing a box, where it’s force was exerted through the box by the person.

A

Applied force

25
Q

This the symbol of applied force

A

FsubA

26
Q

These are the type of forces that result even when two interacting objects are not in physical contact with each other yet are able to exert a push or pull despite their physical separation.

A

Non-Contact Force

27
Q

Is a type of non-contact force with which the earth, moon, or other massively large object attracts another object toward itself.

A

Gravitation force

28
Q

It is a force that directs an object downward towards the center of the earth.

A

Gravitational force

29
Q

It is a type of non-contact force when the force of attraction or repulsion between two charged particles.

A

Electrostatic

30
Q

It is a type of that can be described as a force that arises due to interacting magnetic fields.
Like poles repel, while unlike poles attract.

A

Magnetic

31
Q

Are diagrams used to show the relative magnitude and direction of all forces acting upon an object in a given situation

A

Free-body Diagram

32
Q

The size of the ______ in a free-body diagram reflects the magnitude of the force.

A

Arrow

33
Q

The ________ of the arrow shows the direction that the force is acting on a free-body diagram.

A

Direction

34
Q

Each force arrow in the diagram is labeled to indicate the exact type of ______

Also treating these arrows as _______

A

Force
Vectors

35
Q

A book is at rest on a table top. Give the forces acting on the book

A

F norm and F grav

36
Q

A gymnast holding onto a bar, is suspended motionless in mid-air. The bar is supported by two ropes that attach to the ceiling. Give the forces acting on the combination of the gymnast and bar.

A

Two tensional force arrow going up and a gravity force arrow below.

37
Q

A rightward force is applied to a book on order to move it across a desk at constant velocity. Consider Frictional forces. Neglect air resistance.

A

The frictional force is going to the left because it is going against the applied force and there is a normal force going up because it is the support force that is horizontally in contact with each other that has gravity arrow below that adds with the weight of the book

38
Q

It is a law of motion where an object at rest remains at rest if it is in motion continues to be in motion with a constant speed along a straight line unless acted upon by an external force

A

Law of Inertia

39
Q

The law of inertia has a summation of F that is equals to =?

A

0

40
Q

This is a law of motion if an object/body is in an equilibrium, like F gravity = F normal and F friction= F Applied.

A

Law of inertia

41
Q

Example of safety measures that is governed by the law of inertia:

A

Seatbelts
Air bags
Head Rests

42
Q

It is a law where the acceleration of a body is directly proportional to the magnitude of the net force acting on it, in the same direction as the net force, and inversely proportional to the mass of the body.

A

Law of Acceleration

43
Q

This law has a formula Fsubnet = ma

A

Law of Acceleration

44
Q

It is a law of motion when two bodies interact with one another, the forces they exert on one another are equal magnitude and opposite in direction

A

Law of interaction

STEM123 (2nd Semester) (1 decks)

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