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Forces in motion
Forces in motion
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Review of forces, motion and Newton's Laws #forces #newtonslaws #friction #physics
Flashcards
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Answers
1
What type of friction is pictured?
Sliding
Fluid
Rolling
Static
2
The SI unit of force is the
kilogram
newton
meter
joule
3
Every action has an equal and opposite reaction.
True
Batman
False
4
Which is NOT a force?
weight
friction
gravity
momentum
5
Property of matter that resists changes in motion is called...
weight
inertia
gravity
friction
6
What type of friction is pictured?
Static
Fluid
Sliding
Rolling
7
When the car stops suddenly, you keep moving forward because of
centripetal force
friction forces
your inertia
balanced forces
8
What kind of friction occurs as fish swim through water?
fluid
sliding
static
rolling
9
According to Newton's 2nd law, acceleration equals the net force divided by
weight
momentum
velocity
mass
10
What type of friction occurs between your foot and the floor as you walk.
Rolling
Sliding
Static
Fluid
11
What type of friction is pictured?
Fluid
Sliding
Static
Rolling
12
What is the strongest type of Friction
Rolling
Static
Sliding
Fluid
13
Newton's 3rd Law describes...
balanced forces
action-reation forces
net force
centripetal forces
14
When an UNBALANCED force acts on an object...
it accelerates
inertia increases
weight decreases
motion doesn't change
15
The upward force on an object through the air is....
air resistance
momentum
inertia
terminal velocity
16
What is conserved when two objects collide?
acceleration
speed
velocity
momentum
17
What is the weakest type of Friction
Fluid
Static
Rolling
Sliding
18
Frictional forces act...
in the direction of motion
makes it easier to slide objects
in the direction opposite of motion
help objects travel easily through air
19
Projectile motion is caused by...
downward force of gravity
final vertical velocity
initial forward velocity
gravity & initial forward velocity
20
Forces acting on a falling object are
air resistance & fluid friction
weight & rolling friction
gravity & static friction
gravity & air resistance
21
The product (X) of an object's mass and velocity is its
centripetal force
net force
momentum
weight
22
What type of friction is pictured?
Fluid
Sliding
Rolling
Static
