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Duplicate of Newton's Laws
Duplicate of Newton's Laws
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AP Physics 1, High School physics, Newton's Laws (Forces and Motion)
Flashcards
16 cards
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Questions
16
Answers
1
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
2
immediately AFTER hitting an air-hockey puck on a frictionless plane, it will generally ___
increase its inertia
move with constant velocity
move with increasing velocity
experience a net force
3
In absence of friction...
The tires would slip
This person will not accelerate
The person would go to the barber
The person will accelerate
4
If friction is negligible, the net force on the cart is...
Tsinθ
mgsinθ
Tcosθ
T
5
A bug splats on the windshield of a moving vehicle. The force on the bug from the windshield
is zero
Is less than the force acting on the windshield
Is equal in magnitude to the force felt by the windshield
Is greater than the force acting on the windshield
6
Does the fan help propel the cart forward
yes
apple sauce
no
only on Wednesdays
7
A cart is pulled with tension, T at an angle θ. Normal force from the ground...
is less the cart's weight
is equal to the cart's weight
is equal to T
Is greater than the cart's weight
8
immediately AFTER hitting an air-hockey puck on a frictionless plane, it will generally ___
increase its inertia
move with constant velocity
move with increasing velocity
experience a net force
9
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 steak pushes the plate < the table pushes the plate
The table pushes the plate > the plate pushes the table
10
A man standing in an elevator that accelerates upwards...
has zero net force acting on them
Experiences a net force
experiences greater Normal force than gravity
would register a lighter weight standing on a scale
11
When a car slams its brakes, occupants lunge forward because
They had inertia
the car was old
They had a net force forward
The force forward was inertia
12
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
13
A block rests on an inclined surface as shown. Is there a non-zero net force on the block?
No
Yes
14
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
15
Which graph correctly depicts Newton's 2nd Law for a constant force applied to varied masses?
A) because the relation is linear
A) because mass is directly related to acceleration
None. Neither graph concurs with Newton's 2nd Law
B) because mass is inversely related to acceleration
16
Which way will the truck accelerate due to forces from the person in the picture
left
right
up
none
