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PHYSICS- Forces Review Flashcards | StudBud
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PHYSICS- Forces Review
PHYSICS- Forces Review
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High School physics, Newton's Laws (Forces and Motion)
Flashcards
23 cards
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Practice quiz
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Questions
23
Answers
1
In absence of friction...
The tires would slip
The person will accelerate
The person would go to the barber
This person will not accelerate
2
While on the way up the ramp the cart...
has no net force
has a net force uphill
accelerates downhill
accelerates uphill
3
A projectile baseball after it reaches maximum height
has no net force acting on it
has a net force acting on it
looks like a cube
is accelerating more rapidly than it did on the way up
4
When a car slams its brakes, occupants lunge forward because
the car was old
They had inertia
They had a net force forward
The force forward was inertia
5
Compare magnitudes of normal force to gravitational force.
Normal Force < Weight
Normal force = weight
Normal force > weight
gravity is only greater than normal if it slides
6
It is possible for the guy to accelerate forward due to ___
static friction
none of the above
both answers above
Newton's 2nd Law
7
If M1 is equal in mass to M2
The ropes must break
M1 and M2 cannot accelerate
M1 an M2 cannot move
ham omelette
8
If there is NO friction on the block, the child will ____
all of the answers are correct
remain at rest
float
provide a net force on the block
9
If the child pulls with a force equal to his weight, they will ____
cheese pizza
accelerate uphill
fall downhill
move with constant speed uphill
10
A man standing in an elevator moving with constant speed upwards...
has zero net force acting on them
Experiences a net force
experiences greater Normal force than gravity
has a dashing mustache
11
Which way will the truck accelerate due to forces from the person in the picture
left
none
right
up
12
A steak rests on a plate on a table. Which is a true comparison of normal forces
The steak pushes the plate > the table pushes the plate
The steak pushes the plate < the table pushes the plate
The table pushes the plate > the plate pushes the table
The table pushes the steak > the table pushes the plate
13
immediately AFTER hitting an air-hockey puck on a frictionless plane, it will generally ___
experience a net force
move with constant velocity
increase its inertia
move with increasing velocity
14
A block rests on an inclined surface as shown. Is there a non-zero net force on the block?
No
Yes
15
If the cart is not accelerating and the angles are equal, then ___
T1 and T2 are equal in magnitude
normal force is equal to m*g (the weight)
T1 and T2 are not equal in magnitude
the eyelet screws are not necessary
16
If friction is negligible, the net force on the cart is...
Tsinθ
T
Tcosθ
mgsinθ
17
Does the fan help propel the cart forward
only on Wednesdays
no
yes
apple sauce
18
If M1 is greater than M2
M1 must be moving downwards
M1 accelerates upwards
M1 accelerates downwards
M1 must be moving upwards
19
The block is held at rest as shown. The force of static friction is directed:
left
right
up
down
20
In order to pull himself up this incline, the child can pull with a minimum force
less than his weight
equal to his weight
apricot
greater than his weight
21
A cart is pulled with tension, T at an angle θ. Normal force from the ground...
is equal to T
is less the cart's weight
Is greater than the cart's weight
is equal to the cart's weight
22
A bug splats on the windshield of a moving vehicle. The force on the bug from the windshield
Is greater than the force acting on the windshield
Is equal in magnitude to the force felt by the windshield
Is less than the force acting on the windshield
is zero
23
A man standing in an elevator that accelerates upwards...
Experiences a net force
would register a lighter weight standing on a scale
has zero net force acting on them
experiences greater Normal force than gravity
