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Newton's Laws. From an AP Physics Course. Flashcards | StudBud
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Newton's Laws. From an AP Physics Course.
Newton's Laws. From an AP Physics Course.
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Answers
1
A book rests on a table, exerting a downward force on the table. The reaction to this force is
the force of the Earth on the book
the force of the table on the book
the force of the Earth on the table
the inertia of the book
2
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 2.0 m/s2
has a magnitude of 0.50 m/s2
has a magnitude of 10 m/s2
3
A 5 kg shark is lowered with a downward acceleration of 2.8 m/s
2
. The tension in the rope is
35 N, down
14 N, up
35 N, up
49 N, up
4
Acceleration is always in the direction
of the initial velocity
of the instantaneous velocity
of the net force
of the displacment
5
A 9000 N cow is pushed on a level road by 4 students with a force of 500 N. No air resistance, a=
is 18 m/s2
is 1.8 m/s2
is 0.54 m/s2
is 0.055 m/s2
6
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
zero N
9.8 N, up
7
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
6 m/s2, north
2 m/s2, south
8
The reaction force does not cancel the action force because
the action force is greater than the reaction force
they act on different bodies
they are in the same direction
reaction force exists only after the action force is removed
9
A 13 N and 12 N weight are hung over an Atwood's machine. The acceleration of the 13 N is
1
13/25
1/25
1/13
10
A car travels east at constant velocity. The net force on the car is
east
zero
down
west
