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Newtons Laws Review
Newtons Laws Review
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AP Physics I Review of Newton's Laws (includes circular motion).
Flashcards
19 cards
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Practice quiz
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Questions
19
Answers
1
A block is in free fall. What info do you still need to calculate the net force on the block?
the speed of the object
the mass of the object
the velocity of the object
the acceleration of the object
2
What happens to the acceleration of the cart from figure A to figure B?
It stays the same.
It decreases.
It increases.
3
What happens to the acceleration of the carts if the changes from A to B were made?
It increases.
It decreases.
It stays the same.
4
Read the following image.
They are equal.
Ball B
Ball A
5
What happens to the acceleration of the cart if its mass is increased to 2.0 kg?
It stays the same.
It decreases.
It increases.
6
Which of the following is the tendency of an object to maintain its state of motion?
force
velocity
acceleration
inertia
7
Which of the following would NOT change if you were somehow transported to Neptune?
Your weight.
The gravitational field strength.
Your mass.
The acceleration due to gravity.
8
A system is moving at a constant velocity of 5 m/s east. Which of the following must be true?
None of the above must be true.
All of the above must be true.
The are no internal forces acting on the system.
There are no external forces acting on the system.
9
A block is moving with a constant velocity across a frictionless table. Which forces act on the block?
Fg only
Fg & Fn
Fg , Fn , Fa & Ff
Fg , Fn & Fa
10
3 forces act on a block. If the block is in equilibrium, which of the following must be true?
I
I & II
II & III
II
11
2 blocks of equal mass are stacked as shown in the picture. How does the F
N
acting up on 2 compare the F
N
acting up on 1
FN on 2 is less than FN on 1
FN on 2 is greater than FN on 1
FN on 2 is equal to FN on 1
None of the above.
12
An object weighs 20 N. If an upwards force of 20 N is applied to the object. What happens next?
None of the above.
The object begins to move upward at a constant speed.
The object begins to accelerate upwards.
The object doesn't move.
13
A net external force of 10N is applied to a 5kg block at rest. How fast is it moving after 10s?
20 m/s
5 m/s
500 m/s
100 m/s
14
An object is moving east and slowing down. What direction is the net force in?
East
South
West
North
15
If a nonzero net force is acting on an object, then the object is definitely
accelerating
moving with a constant velocity
at rest
losing mass
16
A mass weighs 49 N and experiences a
ƩF
x
of 98 N. How fast is it moving after 5s?
98 m/s
490 m/s
19.6 m/s
245 m/s
17
What happens to the acceleration of the cart if the applied force is increased to 1.0 N?
It increases.
It decreases.
It stays the same.
18
A ball is moving north. What direction must the net force be in?
none of the above
east
south
north
19
Read the following question.
Greater than.
The same.
Less than.
Not enough information.
