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WorksheetsPHY110 End of Semester Quiz
Total questions: 25
Worksheet time: 11mins
The ability of an instrument to detect small changes in measurement is the definition for
sensitive
sensitivity
error
uncertainty
Which of the following is NOT part of a micrometer screw gauge?
Thimble
Lock
Vernier scale
Spindle
Which of the following is a base quantity?
Speed
Force
Mass
Area
SI is the abbreviation for
System International
System Internal
System Internship
Système International
2×109 can also be written as
2 G
2 M
2 m
2 p
What is the difference between a scalar and vector quantity?
Scalar has magnitude
Vector has magnitude
Scalar has direction
Vector has direction
Which of the following is a scalar quantity?
Velocity
Entropy
Weight
Force
Which of the following represents a vector pointing into this screen?
⟵
⟶
⋅
×
At what direction will a vector of 5 in the negative x-axis and 10 in the positive y-axis point to? (in degrees)
63.43
90
116.57
180
Which of the following is a way to multiply vectors?
Dot
Sin
Cross
Cos
A ball is thrown upwards with an initial velocity of 10 m s−1 , find its velocity at displacement = 0
−10 m s−1
−10 ms−1
10 m s−1
10 ms−1
What quantity will you get if you find the gradient of a velocity versus time graph?
Acceleration
Speed
Displacement
Time
What quantity will you get by finding the area of a velocity versus time graph?
Acceleration
Speed
Displacement
Time
In calculating parameters in one dimensional motion, what assumption(s) do you make?
Gravitational velocity is 9.81 m s−2
Air resistance is negligible
Time can be negative
Initial velocity is always 0
Which of the following statements is/are true?
An object thrown upwards experiences free fall
An object released from rest will have an initial velocity of 0 m s−1
An object moving in the y-axis will experience gravitational acceleration
Acceleration is inversely proportional to time
Which of the following is NOT an example of a projectile motion?
Ball thrown across a field
A Frisbee flying from one player to another
A free falling object
A bee traveling from a flower to its hive
An object is thrown upwards, what is the velocity at the peak of its motion? (in m s−1 )
0
5
9.81
10
Which of the Newton's Laws of Motion is regarding opposite force>
First
Second
Third
Fourth
Which of these statements is true?
Acceleration is inversely proportional to mass
Force is a scalar quantity
An object at rest will change its motion if no force is acting on it
There are 4 laws in Newton's Laws of Motion
True or false, energy is always conserved
True
False
At which point will gravitational potential energy be the highest?
During motion
At highest displacement
At highest speed
Gravitational potential energy is constant irregardless of position or motion
Work is is directly proportional to
force
displacement
angle between associated vectors
none of the above
In a perfectly elastic collision, which is conserved?
Momentum
Displacement
Kinetic energy
Speed
The reason to bend your knees while landing after jumping is to
minimize impact from impulsive force on knees
increase the time it takes to land
reduce pain on the knee joint
jump higher
True or false, an inelastic collision will not conserve kinetic energy
True
False
