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Chapter 2 Forces
Test Description: Review for test
Instructions: Answer all questions to get your test result.
1) Why do action and reaction forces not cancel each other out?
A
The forces are acting on the same object. Action and reaction forces act on the same object.
B
There is another force involved in the situation.
C
The forces are not acting on the same object. Action and reaction forces act on different objects.
D
The forces have nothing to do with the objects.
2) Your Science book is sitting on your trapper. The pull your trapper and your Science slides backward.
A
My trapper accelerates and the book is at rest. Because of inertia the book doesn't move forward b/c the force wasn't on book
B
My trapper doesn't accelerate but the book accelerates because of inertia.
C
My trapper doesn't accelerate but the book accelerates because of Newton's Laws
D
My trapper accelerates and the book is at rest. Because of inertia the book will go forward.
3) What happens to gravitational forces at items get farther away?
A
The force remains the same
B
The force depends on the mass
C
The force increases as the objects get father away
D
The force decreases as the objects get farther away
4) Balanced forces act on how many objects?
A
Two
B
Four
C
One
D
Three
5) What affects the gravitational attraction between objects
A
Gravity and Distance
B
Mass and Distance
C
Air Resistance and Distance
D
Mass and Air Resistance
6) If you push surfaces harder together what increases?
A
Friction
B
Density
C
Mass
D
Inertia
7) What depends on net force and mass?
A
Acceleration
B
Inertia
C
Gravity
D
Friction
8) What an object is in free fall what's the only thing acting on it?
A
Friction
B
Time
C
Gravity
D
Inertia
9) What force changes the direction of a satellite?
A
Acceleration
B
Gravity
C
Inertia
D
Friction
10) Reaction and what force is always equal?
A
Gravity
B
Action
C
New
D
Old
11) What is inertia?
A
The property of matter that doesn't do anything
B
The property of matter that slows items down
C
The property of matter that moves more quickly
D
The property of matter that resists a change in motion
12) What force is required to move 1 kg or mass at 1 meter per second per second.
A
1 Accelerate
B
1 Newton
C
1 Nesvik
D
1 Mass
13) The momentum of an object is in the same direction is what?
A
Newtons
B
Speed
C
Inertia
D
Velocity
14) What is centripetal force?
A
Any force that causes an object to move in a oval
B
Any force that causes an object to move in a square
C
Any force that causes an object move
D
Any force that causes an object to move in a circle
15) When objects have the same momentum before and after they collide, when outside forces acting on them is what law?
A
Law of Energy
B
Law of Conservation of Momentum
C
Law of Conservation of Energy
D
Law of Velocity
16) When forces are going in the same direction you ______________; when forces are going in opposite direction you ___________.
A
Divide; Multiply
B
Multiply; Divide
C
Add; Subtract
D
Subtract; Add
17) What law states that any two objects in the universe that have mass without exception?
A
Law of conservation of energy
B
Law of forces
C
Law of universal gravitation
D
Law of conservation of momentum
18) What is friction?
A
The force that repels other objects
B
The force that attracts one object to another
C
The force that one surface exerts on another when two rub against each other
D
The force that creates new items
19) The larger an objects inertia the greater an object's
A
acceleration.
B
free fall.
C
mass.
D
weight.
*select an answer for all questions
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