Contact and Non-Contact Forces Flashcards

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1
Q

What creates a balance of systems?

A

Balances are not caused by forces, but other conflicting concepts that oppose each other creating harmonious balance.

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2
Q

What is a force that occurs between 2 objects?

A

Contact Force

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3
Q

What is the inward force from a stretched out object such as a rope or spring?

A

Tension

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4
Q

What is the outward force from a compressed object?

A

Compression Force

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5
Q

What is a force that occurs when 2 objects are in contact and try to slide past each other?

A

Friction

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6
Q

What is the force felt by something moving through the air that acts against the objects motion?

A

Air Resistance

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7
Q

What is the force acting between objects with mass?

A

Gravity

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8
Q

Does the force of gravity get stronger or weaker when the mass is larger?

A

Stronger

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9
Q

What is the force that acts like magnets?

A

Magnetism

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10
Q

What is a material attracted to a magnet?

A

Magnetic Material

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11
Q

What is a property of matter?

A

Mass

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12
Q

What is the force that acts on an object due to gravity?

A

Weight

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13
Q

What is a push or a pull?

A

Force

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14
Q

What unit is used to measure force?

A

Netwon (N)

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15
Q

What are quantities that have a direction and a size?

A

Vector Quantities

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16
Q

What is the size of quantity not taking the direction into account?

A

Magnitude

17
Q

What type of forces act over very long range?

A

Gravitational Forces

18
Q

What does SI mean?

A

SI is the abbreviation System of International.

This system of units is used by scientists for the standard units of measurement which include kilogram, second, and meter.

19
Q

What is a spring balance that measures the size of a force?

A

Newtonmeter

20
Q

What is the sum of all forces that act on an object?

A

Netforce or the Resultant Force

21
Q

How do you calculate forces when they are going in the same direction?

A

Add together

10N –>
10N –>

20N Right –>

22
Q

How do you calculate forces when they are going in the opposite direction?

A

Subtract

10 N –> and 10N <– = 0N
10N–> and 25N <– = 15N <– Left

23
Q

If forces are acting in right angles, what theorem do you use to calculate?

A

Pyhtagoras

10N –> and 10N ^