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AP Unit 2
AP Unit 2
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AP Physics 1, High School physics, Newton's Laws (Forces and Motion)
Flashcards
22 cards
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Questions
22
Answers
1
A projectile baseball when it reaches maximum height
has no velocity
is not accelerating
has no net force acting on it
is accelerating
2
Which graph correctly depicts Newton's 2nd Law for a constant force applied to varied masses?
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
A) because the relation is linear
3
Two balls of equal mass hit a wall. Which experiences a greater normal Force from the wall??
Left (bounce)
Right (stick)
4
A cart is pulled with tension, T at an angle θ. Normal force from the ground...
is equal to the cart's weight
is less the cart's weight
Is greater than the cart's weight
is equal to T
5
Four skiers are traveling as shown; which is experiencing the greatest net force?
All are equal
A & C
B
D
6
immediately AFTER hitting an air-hockey puck on a frictionless plane, it will generally ___
move with constant velocity
move with increasing velocity
experience a net force
increase its inertia
7
There is Gravity in space
everywhere
only near stars
sometimes
only near planets
8
Does the fan help propel the cart forward
Yes if air resistance is negligable
no
yes
No if air resistance is negligable
9
If friction is negligible, the net force on the cart is...
Tension
Horizontal Tension
Mass
Vertical Tension
10
A block rests on an inclined surface as shown. Is there a non-zero net force on the block?
No
Yes
11
Which scenario results in greater acceleration?
both are equal
Right (pulling)
wrong answer
Left (pushing)
12
For the velocity-time graph shown, in which region is the magnitude of net force greatest?
0-2 s
12-16 s
10-12 s
2-10 s
13
In absence of friction...
This person will not accelerate
The person will accelerate
a = mg cos(Θ)
The tires would slip
14
A man standing in an elevator moving with constant speed upwards...
Experiences a net force
has zero net force acting on them
'Feels' heavier than usual
experiences greater Normal force than gravity
15
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 table pushes the steak > the table pushes the plate
The plate pushes the table < the table pushes the plate
The steak pushes the plate < the table pushes the plate
16
When a car slams its brakes, occupants lunge forward because
of their inertia
they had a net force forward
they had a net force backward
the car was old
17
Compare magnitudes of normal force to gravitational force of the block
Normal force = weight
Normal Force < weight
gravity is only greater than normal if it slides
Normal force > weight
18
A man standing in an elevator that accelerates upwards...
experiences greater Normal force than gravity
would 'feel' like they weighed less
Experiences a greater tension force than gravitational force
has zero net force acting on them
19
In the force vs acceleration graphs below, which object has the largest mass
A
D
C
B
20
How Many times has Goku died in Canon
5
3
4
6
21
According to Newton's 3rd Law, the force the horse puts on the cart is equal to:
The force the cart puts on the horse
The force of Friction the ground puts on the cart
The force the cart puts on the ground
The force the ground puts on the horse
22
A bug splats on the windshield of a moving vehicle. The force on the bug from the windshield
Is equal in magnitude to the force felt by the windshield
is zero
Is less than the force acting on the windshield
Is greater than the force acting on the windshield
