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Inertia
Test Description: Inertia
Instructions: Answer all questions to get your test result.
1) Any force that is keeping an object moving in a circle is know as
A
a vector
B
centripetal force
C
friction
D
gravity
2) Acceleration is
A
a change in velocity over time
B
a change in force over time
C
how fast an object moves
D
the speed of an object
3) When one object exerts a force on another object, the second object exerts a force back on the first object that is
A
unequal in size and opposite in direction
B
equal in size and opposite in direction
C
equal in size and in the same direction
D
unequal in size and in the same direction
4) Balanced forces act on
A
balanced objects
B
the same object
C
two different objects
D
unbalanced objects
5) A push or pull is called
A
velocity
B
acceleration
C
motion
D
force
6) James combines all the forces acting on a tennis ball. He is finding the
A
gravitational force
B
inertia force
C
net force
D
frictional force
7) Janet is sliding a box across the floor. What does she need to know to calculate the force on the box?
A
mass and acceleration
B
friction and gravity
C
acceleration and friction
D
mass and inertia
8) Inertia is the resistance of an object to a change in its
A
motion
B
balanced force
C
gravity
D
mass
9) A soccer player kicks a ball that is at rest. What do you predict will happen?
A
The ball will lose momentum.
B
The ball will accelerate in the direction opposite the applied force.
C
The ball will not move.
D
The ball will accelerate in the same direction as the applied force.
10) According to Newton's second law of motion, force equals mass time
A
acceleration
B
mass
C
velocity
D
momentum
*select an answer for all questions
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