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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
There is another force involved in the situation.
B
The forces are not acting on the same object. Action and reaction forces act on different objects.
C
The forces have nothing to do with the objects.
D
The forces are acting on the same object. Action and reaction forces act on the same object.
2) Your Science book is sitting on your trapper. The pull your trapper and your Science slides backward.
A
My trapper doesn't accelerate but the book accelerates because of inertia.
B
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
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 decreases as the objects get farther away
B
The force depends on the mass
C
The force increases as the objects get father away
D
The force remains the same
4) Balanced forces act on how many objects?
A
Three
B
Four
C
One
D
Two
5) What affects the gravitational attraction between objects
A
Mass and Distance
B
Air Resistance and Distance
C
Gravity and Distance
D
Mass and Air Resistance
6) If you push surfaces harder together what increases?
A
Density
B
Mass
C
Friction
D
Inertia
7) What depends on net force and mass?
A
Friction
B
Gravity
C
Acceleration
D
Inertia
8) What an object is in free fall what's the only thing acting on it?
A
Gravity
B
Inertia
C
Friction
D
Time
9) What force changes the direction of a satellite?
A
Inertia
B
Gravity
C
Friction
D
Acceleration
10) Reaction and what force is always equal?
A
Old
B
New
C
Action
D
Gravity
11) What is inertia?
A
The property of matter that moves more quickly
B
The property of matter that doesn't do anything
C
The property of matter that slows items down
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 Mass
B
1 Newton
C
1 Nesvik
D
1 Accelerate
13) The momentum of an object is in the same direction is what?
A
Inertia
B
Newtons
C
Speed
D
Velocity
14) What is centripetal force?
A
Any force that causes an object to move in a circle
B
Any force that causes an object to move in a oval
C
Any force that causes an object move
D
Any force that causes an object to move in a square
15) When objects have the same momentum before and after they collide, when outside forces acting on them is what law?
A
Law of Velocity
B
Law of Energy
C
Law of Conservation of Energy
D
Law of Conservation of Momentum
16) When forces are going in the same direction you ______________; when forces are going in opposite direction you ___________.
A
Add; Subtract
B
Subtract; Add
C
Multiply; Divide
D
Divide; Multiply
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 conservation of momentum
C
Law of forces
D
Law of universal gravitation
18) What is friction?
A
The force that repels other objects
B
The force that creates new items
C
The force that one surface exerts on another when two rub against each other
D
The force that attracts one object to another
19) The larger an objects inertia the greater an object's
A
mass.
B
weight.
C
acceleration.
D
free fall.
*select an answer for all questions
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