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Forces Flashcards

(5 cards)

1
Q

Identify forces and categorise them as contact/non-contact

A

Contact =

Friction

Upthrust
(floating)

Tension

Air Resistance

Reaction

Thrust

Non-Contact =

Weight

Magnetism

Static Electricity

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2
Q

Distinguish between the terms mass and weight

A

Mass →
- the quantity of atoms in an object (g)
-fixed value not affected by position

Weight →
-the force pulling objects together (N)
-value depends on the distance between objects

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3
Q

Recall the equation that links mass, weight, and gravity and apply it to simple calculations of each

A

Weight = Mass * Gravity

(N) = (kg) * (N/kg)

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4
Q

Describe how the forces present on objects in liquids contribute to floating/sinking

A

If the upthrust = weight on an object then the object will float but if there is more weight then the object will sink.

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5
Q

Describe how temperature affects the upthrust in liquids

A

If the temperature of the liquid is increased, the upthrust will decrease and vice versa.

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