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Acceleration
By Mr Pike
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Last updated 3 months ago
15 questions
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What unit is acceleration commonly measured in?
m/s
kg
m/s^2
N
If an object is slowing down, its acceleration must be negative.
True
False
Can an object be moving while still having zero acceleration?
Yes
No
Which of the following affects an object's acceleration? (Select all that apply)
Mass of the object
Force applied
Initial speed
Physical space
Acceleration is a scalar quantity.
True
False
An object thrown straight up in the air is an example of...
Positive acceleration
Negative acceleration
Zero acceleration
Which of the following scenarios describe a possible zero acceleration? (Select all that apply)
A car cruising at a constant speed
A stone at the topmost point in its flight
A ball rolling down an inclined plane without friction
A person sitting still
The acceleration of an object in free fall near the surface of the Earth is 9.8 m/s^2.
True
False
If the velocity of an object changes from 10 m/s to 20 m/s in three seconds, what is its acceleration?
3.33 m/s^2
6.67 m/s^2
10 m/s^2
What is required for an object to have acceleration? (Select all that apply)
Change in speed
Force
Change in direction
All of the above
If a car is moving to the right and slowing down, it has leftward or negative acceleration.
True
False
The statement 'Every action has an equal and opposite reaction' is a part of Newton's second law which also explains acceleration.
True
False
If a 10 kg object is experiencing a force of 50 newtons, what is its acceleration?
5 m/s^2
10 m/s^2
20 m/s^2
What causes a car to accelerate? (Select all that apply)
Friction
Gravity
Applied force
Air resistance
The steeper the slope of a velocity vs time graph, the greater the...
Time
Velocity
Acceleration
Force