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Motion, Forces, And Newton's Laws Of Motion - 2
Test Description: Review of Motion, forces, and Newton's Laws of Motion
Instructions: Answer all questions to get your test result.
1) Displacement measures the ________ between the starting and stopping points'
A
distance and speed
B
mass and volume
C
distance and direction
D
direction and speed
2) Which is distance divided by time?
A
displacement
B
speed
C
velocity
D
acceleration
3) When a car goes around a curve at 20 mph, the ______ changes.
A
speed
B
average speed
C
velocity
D
instantaneous speed
4) When something slows, its acceleration is _______.
A
constant
B
positivr
C
negative
D
instantaneous
5) On a speed-time graph in which the line is level, the acceleration is _____.
A
changing
B
negative
C
zero
D
positive
6) A(n) ________ is a push or a pull.
A
force
B
velocity
C
acceleration
D
motion
7) The strength of the gravitational force between two objects depends on which of the following?
A
the mass of the larger object
B
the mass of the objects and the distance between them
C
the orbits of the objects
D
the velocities of the objects
8) Friction always acts ______ the direction of motion of an object.
A
opposite to
B
at a 45 degree angle to
C
in the same direction as
D
perpendicular to
9) When balanced forces act on an object, the net force is ______.
A
positive
B
zero
C
negative
D
increased due to friction
10) What happens when unbalanced forces act on an object?
A
the object accelerates
B
friction becomes greater than the net force
C
the net force is zero
D
the object speeds up
11) Newton's first law of motion states that ______.
A
acceleration is calculated by dividing the force exerted on an object by the mass of the object
B
an object will remain at rest or keep moving with a constant velocity unless a force acts on it
C
when a force is applied on an object, there is an equal force applied by the object in the opposite direction
D
when a force acts on an object, its acceleration is in the same direction as the force
12) Which measures an object's tendency to resist changing its motion?
A
inertia
B
acceleration
C
mass
D
gravity
13) Newton's second law of motion states that _______
A
the force on an object can be found by dividing its mass by its acceleration
B
acceleration is calculated by dividing the force exerted on an object by the mass of the object
C
an object will remain at rest or keep moving in a straight line with constant speed unless a force acts on it
D
when a force is applied on an object, there is an equal force applied by the object in the opposite direction
14) A change in motion is described by _______.
A
inertia
B
net force
C
speed
D
acceleration
15) Newton's third law of motion states that _______.
A
an object will remain at rest or keep moving in a straight line with constant speed unless a fore acts on it
B
when a force is applied on an object, there is an equal force applied by the object in the opposite direction
C
the force on an object an be found by dividing its mass by its acceleration
D
acceleration is calculated by dividing the force exerted on an object by the mass of the object
*select an answer for all questions
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