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Forces Review Flashcards | StudBud
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Forces Review
Forces Review
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High School physics, Newton's Laws (Forces and Motion)
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
A block rests on an inclined surface as shown. Is there a non-zero net force on the block?
Yes
No
2
A bug splats on the windshield of a moving vehicle. The force on the bug from the windshield
is zero
Is equal in magnitude to the force felt by the windshield
Is greater than the force acting on the windshield
Is less than the force acting on the windshield
3
In absence of friction...
The tires would slip
This person will not accelerate
The person will accelerate
The person would go to the barber
4
The child in this picture can ___ without making the block slide (given it has friction)
accelerate downhill
remain at rest
all of the answers are correct
accelerate uphill
5
immediately AFTER hitting an air-hockey puck on a frictionless plane, it will generally ___
move with increasing velocity
experience a net force
increase its inertia
move with constant velocity
6
A projectile baseball after it reaches maximum height
has no net force acting on it
has a net force acting on it
is accelerating more rapidly than it did on the way up
looks like a cube
7
Compare magnitudes of normal force to gravitational force.
Normal force > weight
Normal force = weight
gravity is only greater than normal if it slides
Normal Force < Weight
8
Which force is of greatest magnitude?
gravity
normal
T1
T2
9
If the child pulls with a force equal to his weight, they will ____
move with constant speed uphill
cheese pizza
accelerate uphill
fall downhill
10
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
11
A man standing in an elevator moving with constant speed upwards...
has zero net force acting on them
experiences greater Normal force than gravity
has a dashing mustache
Experiences a net force
12
A cart is pulled with tension, T at an angle θ. Normal force from the ground...
is less the cart's weight
Is greater than the cart's weight
is equal to T
is equal to the cart's weight
13
A steak rests on a plate on a table. Which is a true comparison of normal forces
The table pushes the steak > 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 steak pushes the plate < the table pushes the plate
14
Which way will the truck accelerate due to forces from the person in the picture
up
none
left
right
15
Does the fan help propel the cart forward
only on Wednesdays
no
apple sauce
yes
16
If M1 is equal in mass to M2
M1 an M2 cannot move
M1 and M2 cannot accelerate
ham omelette
The ropes must break
17
The block is held at rest as shown. The force of static friction is directed:
left
right
up
down
18
It is possible for the guy to accelerate forward due to ___
both answers above
none of the above
static friction
Newton's 2nd Law
19
In order to pull himself up this incline, the child can pull with a minimum force
apricot
less than his weight
greater than his weight
equal to his weight
20
If the cart is not accelerating and the angles are equal, then ___
normal force is less than T2
the eyelet screws are not necessary
T1 and T2 are not equal in magnitude
T1 and T2 are equal in magnitude
21
If friction is negligible, the net force on the cart is...
Tsinθ
Tcosθ
mgsinθ
T
22
If M1 is greater than M2
M1 accelerates downwards
M1 accelerates upwards
M1 must be moving upwards
M1 must be moving downwards
23
While on the way up the ramp the cart...
accelerates downhill
has a net force uphill
has no net force
accelerates uphill
24
If there is NO friction on the block, the child will ____
provide a net force on the block
all of the answers are correct
float
remain at rest
25
When a car slams its brakes, occupants lunge forward because
the car was old
The force forward was inertia
They had inertia
They had a net force forward
