Exploring Physics Chapters 1-4 Review Flashcards
1
Q
Inertia is a property of matter that resists changing its
A
velocity
2
Q
If f = 0 then a = 0
A
first law of motion
3
Q
Label the four forces acting on an airplane in flight.
A
4
Q
State the second law of motion
A
The acceleration of an object is directly proportional to the force acting on it and inversely proportional to its mass.
5
Q
a = f/m
A
second law of motion
6
Q
To calculate speed, divide distance by
A
1time
7
Q
Acceleration is found by dividing the
A
change in speed by the change in time
8
Q
fab = -fba
A
third law of motion
9
Q
I = f x t
A
definition of impulse
10
Q
A feather and lump of lead will fall at the same speed in
A
vacuum
11
Q
Momentum is the mass of an object times its
A
velocity
12
Q
p = m x v
A
definition of momentum
13
Q
f = m x a
A
force equation
14
Q
Physics is the science that explores how energy acts on
A
matter
