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Forces
Test Description: 7.P.1.2
Instructions: Answer all questions to get your test result.
1) This can change the speed of an object?
A
Balanced Forces
B
Unbalanced Forces
C
None of the above
D
Mass
2) A _________ can change the direction of an objects motion.
A
Inertia
B
Force
C
Weight
D
Mass
3) The tendency of an object to resist any change in its motion
A
Inertia
B
Force
C
Friction
D
Mass
4) Friction
A
A force that opposes motion between two surfaces that are in contact
B
force that opposes the motion of objects that move through the air
C
A measure of the force of gravity on an object
D
A force of attraction between objects that is due to their masses.
5) A piece of wood floats on the surface of a lake because the water exerts:
A
an upward force equal to the weight of the displacement water
B
a downward force equal to the weight of the displacement water
C
a downward force equal to the weight of the wood
D
an upward force equal to the weight of the wood
6) A car is parked on the side of a hill. Which of the following most likely prevents the car from moving down the hill?
A
the car has too much mass to move easily
B
there is friction between the tires and the road
C
there is friction in the door hinges of the car
D
the weight of the car is mostly on the front wheels
7) Force is measured in...
A
Newtons
B
Pounds
C
Neutrons
D
Grams
8) Forces that cause a change in the motion of an object
A
Unbalanced Force
B
Mass
C
Balanced Force
D
Inertia
9) Your mass changes based on how much gravity is pulling on you.
A
False
B
True
10) The greater the mass of an object the ________ the inertia.
A
Weaker
B
Greater
C
All of these
D
Mass and inertia have no relationship
*select an answer for all questions
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