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WorksheetsPhysics Multiple-Choice Questions
Total questions: 60
Worksheet time: 30mins
Which best describes physics?
Study of living organisms
Study of matter and energy and their interactions
Study of planets only
Study of ancient history
Physics predicts behavior based on:
Guesswork
Superstition
Experimental data
Historical trends
Which is a physical law developed from experimental evidence?
Newton's First Law
Law of Conservation of Energy
Ohm's Law
None of the above
The SI base unit for mass is:
Gram
Kilogram
Pound
Slug
The SI base unit for length is:
Centimeter
Meter
Kilometer
Foot
1 meter equals:
2.54 inches
1.609 kilometers
3.281 feet
12 inches
Which is a correct SI base quantity?
Volume
Energy
Time
Force
What is the correct conversion factor?
1 mile = 0.305 meters
1 foot = 0.3048 meters
1 liter = 100 m³
1 kg = 100 g
Which of the following is not a base SI unit?
Kelvin
Newton
Mole
Candela
The SI prefix 'micro' corresponds to:
10⁻²
10⁻³
10⁻⁶
10⁻⁹
The prefix 'Giga' means:
10³
10⁶
10⁹
10¹²
Which number has three significant figures?
0.00798
20.00
1090.
108.0097
In multiplication, the result must have:
More significant figures than any factor
The same number of significant figures as the smallest factor
As many decimal places as possible
No significant figures
Zeros between non-zero digits are:
Never significant
Always significant
Sometimes significant
Only significant if after a decimal
Which is a scalar quantity?
Velocity
Force
Temperature
Displacement
Which is a vector quantity?
Mass
Speed
Distance
Acceleration
Vectors are represented by:
Numbers only
Arrows with direction and magnitude
Dots
Scalars
The length of a vector arrow represents:
Its speed
Its mass
Its magnitude
Its angle
What happens when a vector is multiplied by -1?
Magnitude becomes zero
Magnitude doubles
Direction reverses, magnitude stays the same
Both magnitude and direction reverse
Which method is used to add two vectors graphically?
Triangle method
Head-to-tail or parallelogram method
Cross method
Dot method
The negative of a vector has:
Same magnitude, opposite direction
Opposite magnitude and same direction
Zero magnitude
Larger magnitude
Which formula gives the magnitude of a resultant from two perpendicular vectors?
R=A+B
R=A−B
R=√(A² + B²)
R=A×B
The direction θ of a vector with components Ax and Ay is:
tan⁻¹(Ay/Ax)
tan⁻¹(Ax/Ay)
sin⁻¹(Ay/Ax)
cos⁻¹(Ax/Ay)
If A = 4i + 3j and B = 2i + 1j, the x-component of A + B is:
6
2
3
4
The y-component of the same vectors A+B, A = 4i + 3j and B = 2i + 1j, is:
1
3
4
6
A vector's x-component is found by:
Asinθ
Acosθ
Atanθ
A/cosθ
Which is a unit vector?
Any vector
A vector with magnitude 0
A vector with magnitude 1
A vector with no direction
The dot product of vectors A and B is:
ABsinθ
ABcosθ
A+B
A/B
The cross product of A and B gives:
A scalar
A vector perpendicular to both A and B
A vector parallel to A
Zero
The magnitude of A×B is:
ABcosθ
ABsinθ
A+B
A−B
Which branch of physics describes motion without considering its causes?
Dynamics
Statics
Kinematics
Mechanics
Displacement is defined as:
Distance/time
Final position + initial position
Final position − initial position
Average position
If x0=2.0 m and x=7.0 m, then Δx=:
5.0 m
9.0 m
-5.0 m
14.0 m
A negative displacement means:
The object stopped
The object moved backward from the reference
The object changed speed
The object is at rest
Average speed is:
Total displacement / total time
Distance / elapsed time
Instantaneous distance
Change in velocity
The SI unit for speed is:
m
m/s
km
s
Average velocity is defined as:
Distance/time
Speed/time
Displacement/time
Change in acceleration
Instantaneous velocity is:
Average velocity at two points
Velocity at a specific instant
Displacement per time
Constant speed
A runner goes 100 m east then 100 m west in 20 s. Average speed is:
0
10 m/s
20 m/s
5 m/s
A runner goes 100 m east then 100 m west in 20 s. Average velocity is:
0
10 m/s
20 m/s
5 m/s
Acceleration is the:
Rate of change of velocity
Rate of change of displacement
Change in time
Change in position
SI unit of acceleration is:
m/s
m/s²
km/s²
m²/s
If velocity increases from 0 to 260 km/h in 29 s, average acceleration is about:
9.0 m/s²
29 m/s²
260 m/s²
0.9 m/s²
Negative acceleration means:
Increasing speed
Decreasing velocity
Zero motion
Constant velocity
Which is not one of the five kinematic variables?
Displacement
Force
Velocity
Time
The equation v=v0+at relates:
Displacement and time
Velocity, acceleration, and time
Force and mass
Energy and time
The equation x=v0t+1/2at² gives:
Velocity
Acceleration
Displacement
Force
The equation v²=v0²+2ax does not involve:
Acceleration
Time
Velocity
Displacement
If a=(v−v0)/t, then t=:
a/(v−v0)
(v−v0)/a
a(v−v0)
v0/v
If x0=0, then x=:
vt
1/2(v0+v)t
v/t
at/v
Which is the first step in solving a kinematics problem?
Write down equations
Memorize formulas
Make a drawing
Guess the answer
If a spacecraft moves at 3250 m/s and slows with -10.0 m/s² over 215 km, the final velocity is about:
0
2500 m/s
3250 m/s
3000 m/s
Acceleration due to gravity on Earth is:
32.2 m/s
9.80 m/s²
1.0 m/s²
100 m/s²
In free fall, neglecting air resistance, all bodies:
Fall at different accelerations
Fall at the same acceleration
Do not accelerate
Fall at constant velocity
A stone dropped from rest falls 3.00 s. Displacement is about:
-9.80 m
-44.1 m
-29.4 m
-14.7 m
On a position-time graph, the slope represents:
Displacement
Velocity
Acceleration
Speed
On velocity-time graph, the slope represents:
Time
Distance
Acceleration
Displacement
Acceleration due to gravity on Earth is:
32.2 m/s
9.80 m/s²
9.80 m/s
100 m/s²
A stone dropped from rest falls 3.00 s. Displacement is about:
-9.80 m
-44.1 m
-29.4 m
-14.7 m
At the top of its path, the coin's velocity is:
9.8 m/s
0 m/s
-5.00 m/s
5.00 m/s
