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Frage 1
Frage
what is a vector?
Antworten
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A physical quantity that has both magnitude and direction.
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A physical quantity that only has magnitude.
Frage 2
Frage
A force can be split into two components.
Antworten
- True
- False
Frage 3
Frage
what does the gradient on a displacement time graph show?
Antworten
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Velocity
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Acceleration
Frage 4
Frage
what are the conditions that the SUVAT equations can be used in?
Antworten
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constant velocity
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constant acceleration
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ignore air resistance
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The object is in freefall
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The acceleration is positive
Frage 5
Frage
what is the formula for work done?
Antworten
-
w=fd
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w=mgh
Frage 6
Frage
The sum of forces and moments of an object in equilibrium equals...
Antworten
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0
-
10
-
46
-
94
Frage 7
Frage
what is the definition of centre of gravity?
Antworten
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The gravitational force on a body
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The point at which the entire weight of an object can be considered to act
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The centre of the gravitational field
Frage 8
Frage
pressure is the same as weight
Antworten
- True
- False
Frage 9
Frage
braking distance increases constantly
Antworten
- True
- False
Frage 10
Frage
power is ...
Antworten
-
the rate of work done.
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work done x time
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