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Physics Test Review (Pre-AP)

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Section 1

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Law of Gravity

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Physics

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6 years ago

Date created

Mar 1, 2020

Cards (49)

Section 1

(49 cards)

Law of Gravity

Front

• The law that states that all object in the universe are attracted to each other according to their mass and distance (more mass/less distance = more 'attraction')

Back

Applied force

Front

a force applied to an object

Back

Static friction

Front

friction occurring between 2 solid UNMOVING surfaces

Back

Potential Energy

Front

• Stored energy in the forms of chemical, elastic, or gravitational • Not in motion • Ex) Top of the rollercoaster.

Back

Weak force

Front

forces effective at only short distances; this force describes beta decay

Back

Motion

Front

• When an object is moving in relation to a reference point. In other words, the distance between an object and the reference point is changing.

Back

Galileo

Front

• Believed that objects of different mass will fall at the same speed.

Back

Energy

Front

The ability to do work

Back

Torque

Front

a force that causes an object to pivot or twist around a focal point

Back

Average Speed

Front

• The TOTAL distance traveled per TOTAL unit of time ( • usually found by the LAST data point on a graph • s= d/t

Back

Balanced forces

Front

• Equal and Opposite forces acting on an object • NO change in motion

Back

Centrifugal force

Front

a force that pushes a body outward when moving in a circle

Back

Magnetic force

Front

force from an attraction or repulsion due to a magnetic field

Back

Velocity

Front

• Speed with direction • Ex) 75 mph NORTH

Back

Force

Front

• Any push or pull on an object

Back

Drag

Front

a decelerating force used to describe air resistance in airplanes

Back

Sliding friction

Front

a type of friction occurring between two solid surfaces that move

Back

Centripetal force

Front

the force that makes a body follow a curved path

Back

Newton's 1st Law of Motion

Front

• Object at rest will stay at rest and object in motion will stay in motion unless an unbalanced force acts on it • Law of 'Inertia' • Ex)- ball on the floor stays there until someone kicks it

Back

Electromagnetic force

Front

forces resulting when charged particles interact with magnetic fields

Back

Speed

Front

• The distance traveled in a given time (how fast I am going) • s= d/t • Ex) 60 mph

Back

Work

Front

• W= F x D • Work is a force applied over a distance • Must have a force • Must move a distance • Ex) pushing a box 10 meters across the room

Back

Aristotle

Front

• Believed that heavier objects fall faster than lighter ones • He was incorrect

Back

air resistance

Front

a type of friction involving air

Back

Gravitational Potential

Front

• Stored energy due to an objects position or elevation • 'The higher the object the greater the __________ energy. Ex) Top of the rollercoaster

Back

Newton's 3rd Law of Motion

Front

• For every action there is an equal and opposite reaction • Law of 'Action/Reaction' • Ex)- rocket lifting off • Ex) Letting air out of a balloon: air goes one way, balloon goes the other way

Back

Thrust

Front

an accelerating force used to describe airplane motion forward

Back

Inertia

Front

tendency of an object to resist a change in motion (more mass = more inertia)

Back

Law of Conservation of Energy

Front

• Energy can not be created or destroyed, ONLY transformed • Ex) shooting a rubber band = elastic potential energy transferred to kinetic energy

Back

Rolling friction

Front

friction occurring by a rolling object with wheels

Back

friciton

Front

a force that opposes motion

Back

Unbalanced forces

Front

• Unequal forces acting on a object • Forces acting in the same direction (add) or in opposite directions (subtract) • Causes a change in motion in direction of greater force

Back

Compression force

Front

the force generated by compressing an object or substance

Back

No Motion

Front

Back

Elastic Potential

Front

• Stored Energy from stretching or compressing something. Ex) Stretching a rubber band, compressing a spring

Back

Fluid friction

Front

friction between two surfaces with a liquid between them

Back

Newton's 2nd Law of Motion

Front

• F = M x A • The amount of force needed to change the speed of an object depends on the mass of the object and the acceleration required • Law of 'Force & Acceleration' • Ex) More force required to move heavy objects faster

Back

Kinetic Energy

Front

• Energy of motion (mechanical energy) • The faster/heavier the object the more kinetic energy it has • Ex)- Bottom of a rollercoaster

Back

spring force

Front

force exerted by a spring, calculated by displacement x spring constant

Back

shear force

Front

the internal force of objects caused by a force acting perpendicular

Back

Buoyant force

Front

the upward force that acts on an object to get it to float

Back

Acceleration

Front

• Change in Velocity (any change in SPEED or DIRECTION) • Speeding up, Slowing down, Making a turn

Back

Tension

Front

a force transmitted through a rope that's pulled on the ends

Back

Strong force

Front

the force in an atomic nucleus that holds the nucleus together

Back

Acceleration

Front

Back

Chemical Potential

Front

• Energy stored in chemical bonds and released when the bond is broken. • Ex) Food, Fuel, Batteries

Back

Constant Speed

Front

Back

Electric force

Front

forces resulting from an interaction of charged particles

Back

Normal force

Front

a force that opposes gravity

Back