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PHYS 1010 - Exam 1(Questions With 100% Correct Answers)2024/2025 (A+ Graded Verified) $14.99
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PHYS 1010 - Exam 1(Questions With 100% Correct Answers)2024/2025 (A+ Graded Verified)
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Three fundamental properties - ANSWER Mass Length Time Mass - ANSWER the amount of matter or "physical substance" which an object or group of objects possesses Length - ANSWER the distance between two points in space

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  • October 28, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • phys 1010 exam 1questions with 100 correct ans
  • three fundamental properties answer mass le
  • mass answer the amount of matter or physic
  • length answer the distance between two poin

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PHYS 1010 - Exam 1(Questions With 100% Correct
Answers)2024/2025 (A+ Graded Verified)
Three fundamental properties - ANSWER Mass
Length
Time

Mass - ANSWER the amount of matter or "physical substance" which an object or group of
objects possesses

Length - ANSWER the distance between two points in space

time - ANSWER the period or interval between two events

Unit of mass - ANSWER the kilogram
*on the earth, 1 kg has a weight of 9.8 newtons. this is approximately 2.2 lb.

Unit of length - ANSWER the meter
*1 m is approximately 3.28 ft
1 m = 100 cm
1 km = 1000 m

unit of time - ANSWER the second
*60s = 1 min etc

Speed - ANSWER the rate at which someone or thing is able to move or operate
V=D/t

equation for speed - ANSWER V=D/t
V=speed
D=distance
t=time

velocity - ANSWER the speed of something in a given direction

3 ways to change velocity - ANSWER 1- changing speed
2- changing the direction
3- changing the direction AND speed

acceleration - ANSWER increase in the rate or speed of something; basically how quickly
velocity changes (change in speed, acceleration, direction)

equation for acceleration - ANSWER a=v/t

, a=acceleration
v=velocity
t=time interval

Newton's 1st law of motion - ANSWER an object at rest stays at rest and an object in motion
stays in motion with the same speed and in the same direction unless acted upon by an
unbalanced force

Newton's 2nd law of motion - ANSWER the acceleration of an object as produced by a net
force is directly proportional to the magnitude of the net force, in the same direction as the net
force, and inversely proportional to the mass of the object

equation for Newton's 2nd law - ANSWER A=F/m
A=acceleration
f=force
m=mass

relationship between mass and weight - ANSWER in the absence of acceleration, mass and
weight are directly proportional to each other. if the mass of an object is doubled, its weight is
also doubles; if the mass is halved, the weight is halved. w=m

Newton's 3rd law of motion - ANSWER whenever one object exerts a force on a second
object, the second object exerts an equal and opposite force on the first

consistent with newton's 3rd law, what 4 conditions do all forces satisfy? - ANSWER
properties of forces (always true)
- occur in pairs
- equal in strength
- opposite in direction
- two different objects

Nature of freefall - ANSWER (no air resistance or other retarding forces) if the only force
acting on an object is gravity, then the acceleration will be determined by the single force

numerical value of acceleration due to gravity - ANSWER ft/s^2: g=32 ft/s^2
m/s^2: g=9.8 m/s^2

does g depend on the mass of the object? - ANSWER no, it determines the force, not the
acceleration

does g depend on the motion of the object? - ANSWER no, the motion of the object does not
effect the acceleration
*acceleration is not the same as velocity
*acceleration is constant and downward

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