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15 questions
Which of these are scalar qualities?
Choose two
Speed
Acceleration
Energy
Weight
Which of these are vector qualities?
Choose two
Speed
Acceleration
Weight
Energy
What is the difference between vector and scalar measurements?
Scalar is measured in Newtons, vector is measured in Grams
Scalar is magnitude, vector is direction
Scalar is magnitude, vector is magnitude and direction
Scalar is a bigger measurement than vector
A change in velocity requires the application of a ___________.
sound
magnet
forehead
force (push or pull)
Is this object accelerating?
Yes
No
The arrows in this diagram represent the sizes of forces acting on a stationary tennis ball. What will happen to the tennis ball?
It will stay still
It will start to move upwards
It will start to move downwards
Which equation best describes Newton's 2nd law of motion?
A = Fm
m-Fa
F=ma
F=m/a
True or False?
Resultant force is the difference between two opposite forces acting on an object or the total of forces acting in the same direction?
True
False
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