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Duplicate of Newton's Laws. From an AP Physics Course. Flashcards | StudBud
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Duplicate of Newton's Laws. From an AP Physics Course.
Duplicate of Newton's Laws. From an AP Physics Course.
11 terms
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for review before chapter test
Flashcards
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Questions
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Answers
1
A 13 N and 12 N weight are hung over an Atwood's machine. The acceleration of the 13 N is
1/13
13/25
1
1/25
2
A ball with a weight of 1.5 N is thrown at 30° above the horizontal. At its peak,
the net force is 9.8 N, 30° below the horizontal
1.5 N, down
9.8 N, up
zero N
3
A book rests on a table, exerting a downward force on the table. The reaction to this force is
the inertia of the book
the force of the table on the book
the force of the Earth on the book
the force of the Earth on the table
4
The reaction force does not cancel the action force because
the action force is greater than the reaction force
reaction force exists only after the action force is removed
they act on different bodies
they are in the same direction
5
A 9000 N cow is pushed on a level road by 4 students with a force of 500 N. NAR, a=
is 0.54 m/s2
is 1.8 m/s2
is 18 m/s2
is 0.055 m/s2
6
A car travels east at constant velocity. The net force on the car is
zero
down
west
east
7
2 forces are applied to a 5 kg cow. One is 6 N north. The other is 8 N, west. The acceleration
has a magnitude of 2.8 m/s2
has a magnitude of 0.50 m/s2
has a magnitude of 10 m/s2
has a magnitude of 2.0 m/s2
8
You stand on a scale in an elevator. Of the following, the scale reads the highest when
moves downward with decreasing speed
remains stationary
moves downward with increasing speed
moves upward with constant speed
9
A 6 kg shark is moving south. A net force of 12 N north on it will cause an acceleration of
36 m/s2, north
2 m/s2, north
2 m/s2, south
6 m/s2, north
10
A 5 kg shark is lowered with a downward acceleration of 2.8 m/s
2
. The tension in the rope is
49 N, up
35 N, up
35 N, down
14 N, up
11
Acceleration is always in the direction
of the instantaneous velocity
of the net force
of the displacment
of the initial velocity
