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Force
Test Description: Review for force, motion and Newton's Laws
Instructions: Answer all questions to get your test result.
1) What measurements are needed to determine speed?
A
mass and time
B
distance and time
C
distance, time and direction
D
mass and height
2) What measurements are needed for velocity?
A
inertia
B
gravity
C
mass and height
D
time, distance and direction
3) An object which is changing its speed or direction or both is said to be -
A
accelerating
B
balanced
C
stopped
D
equal in forces
4) The more mass an object has, the greater its ___.
A
speed
B
acceleration
C
speed of falling
D
inertia
5) When a rocket fires its engines in space, it moves in an opposite direction of that force. This is explained by -
A
Newton's Third Law
B
Newton's First Law
C
Law of Gravity
D
Newton's Second Law
6) When an object's mass increases the force required to accelerate -
A
must decrease
B
must stay the same
C
must become zero
D
must increase
7) What is the force of an 5 kg object accelerating at 2 m/s/s ?
A
15 Newtons
B
2.5 Newtons
C
10 Newtons
D
7 Newtons
8) In a distance vs time graph, a straight line indicates -
A
the object has stopped
B
the object is slowing down
C
the object is speeding up
D
the object is moving backwards
9) How much work is done when an object is moved 10 m with 2 Newtons of force?
A
20 Joules
B
5 Joules
C
12 Joules
D
25 Joules
10) Two boxes of the same mass are positioned at two different heights. Box A is at 10 m and box B is at 50 m. Which box possesses more potential energy?
A
Box A
B
Neither box
C
Box B
D
Both are the same
*select an answer for all questions
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