463210
Question 1
Question
what is a vector?
Answer
-
A physical quantity that has both magnitude and direction.
-
A physical quantity that only has magnitude.
Question 2
Question
A force can be split into two components.
Answer
- True
- False
Question 3
Question
what does the gradient on a displacement time graph show?
Answer
-
Velocity
-
Acceleration
Question 4
Question
what are the conditions that the SUVAT equations can be used in?
Answer
-
constant velocity
-
constant acceleration
-
ignore air resistance
-
The object is in freefall
-
The acceleration is positive
Question 5
Question
what is the formula for work done?
Answer
-
w=fd
-
w=mgh
Question 6
Question
The sum of forces and moments of an object in equilibrium equals...
Answer
-
0
-
10
-
46
-
94
Question 7
Question
what is the definition of centre of gravity?
Answer
-
The gravitational force on a body
-
The point at which the entire weight of an object can be considered to act
-
The centre of the gravitational field
Question 8
Question
pressure is the same as weight
Answer
- True
- False
Question 9
Question
braking distance increases constantly
Answer
- True
- False
Question 10
Question
power is ...
Answer
-
the rate of work done.
-
work done x time
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