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Science Review
Test Description: Motion and work and power
Instructions: Answer all questions to get your test result.
1) To go faster
A
Speed
B
Potential Engery
C
Acceleration
D
Newton's 1st law of motion
2) What is friction
A
Energy associated with moving bodies
B
A unit of force in the metric system
C
A force that opposes the motion of an object
D
A push or a pull
3) Newton's 1st law of motion
A
An object will stay at rest/motion unless acted upon by an unbalanced force
B
For every action, there is an equal and opposite reaction
C
Stored engery
D
The greater mass of an object the greater force required to change it's motion
4) On the roller coster where does the car have the most potential energy
A
d
B
c
C
b
D
a
5) Where does the car have the most kenetic engergy
A
b
B
a
C
c
D
d
6) When the car is lifted up onto the track it gains
A
potential energy
B
power
C
gravitational potential energy
D
kinetic energy
7) What are two things that affect an objects accelleration
A
speed and energy
B
mass and friction
C
force and friction
D
force and mass
8) Work is measured in
A
watts
B
joules
C
seconds
D
newtons
9) the equation for power is
A
P=Work x time
B
P=Work / time
C
P= Force x distance
D
P=Force / distance
10) What is the equation for Work
A
W= Force / distance
B
W= Work x time
C
W= Force x distance
D
W= Work / time
*select an answer for all questions
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