- What is kinetic energy?
A) Stored energy due to position
B) Energy due to motion
C) Heat energy
D) Chemical energy
- Which formula represents kinetic energy?
A) F = ma
B) P = mv
C) KE = ½mv²
D) V = IR
- The SI unit of kinetic energy is:
A) Newton
B) Pascal
C) Joule
D) Watt
- Kinetic energy depends on:
A) Mass only
B) Velocity only
C) Mass and velocity
D) Force and pressure
- If the speed of an object doubles, its kinetic energy becomes:
A) Double
B) Triple
C) Four times
D) Half
- An object at rest has:
A) Maximum kinetic energy
B) Negative kinetic energy
C) Zero kinetic energy
D) Infinite kinetic energy
- Kinetic energy is a:
A) Vector quantity
B) Scalar quantity
C) Dimensionless quantity
D) Fundamental quantity
- Which of the following has kinetic energy?
A) Parked car
B) Stationary rock
C) Moving train
D) Closed book
- The term “kinetic” is related to:
A) Heat
B) Motion
C) Sound
D) Electricity
- Which quantity has the greatest effect on kinetic energy?
A) Density
B) Temperature
C) Velocity
D) Pressure
- A 2 kg object moving at 3 m/s has kinetic energy equal to:
KE=12(2)(32)KE=\frac{1}{2}(2)(3^2)KE=21(2)(32)
A) 3 J
B) 6 J
C) 9 J
D) 18 J
- What happens to kinetic energy during braking?
A) It disappears completely
B) It converts into heat
C) It becomes mass
D) It becomes gravity
- Which law explains the derivation of kinetic energy?
A) Ohm’s Law
B) Boyle’s Law
C) Work-Energy Theorem
D) Hooke’s Law
- In an elastic collision, which quantities are conserved?
A) Only momentum
B) Only kinetic energy
C) Both momentum and kinetic energy
D) Neither momentum nor kinetic energy
- In an inelastic collision, kinetic energy is converted into:
A) Heat and sound
B) Only light
C) Only electricity
D) Only pressure
- The kinetic energy of a moving object can never be:
A) Positive
B) Zero
C) Negative
D) Large
- Rotational kinetic energy depends on:
A) Pressure and force
B) Moment of inertia and angular velocity
C) Temperature and mass
D) Speed and density
- The formula for rotational kinetic energy is:
KErot=12Iω2KE_{rot}=\frac{1}{2}I\omega^2KErot=21Iω2
A) Correct
B) Incorrect
- Momentum is different from kinetic energy because momentum is a:
A) Scalar quantity
B) Vector quantity
C) Unitless quantity
D) Constant quantity
- Which scientist developed the theory of relativistic kinetic energy?
A) Isaac Newton
B) Galileo Galilei
C) Albert Einstein
D) James Joule
- The relationship between momentum and kinetic energy is:
KE=p22mKE=\frac{p^2}{2m}KE=2mp2
A) Correct
B) Incorrect
- Which object would generally have the highest kinetic energy?
A) A stationary bicycle
B) A walking person
C) A speeding airplane
D) A resting football
- What happens to kinetic energy when velocity increases?
A) It decreases
B) It remains constant
C) It increases
D) It becomes zero
- Which of the following is an example of rotational kinetic energy?
A) A hanging lamp
B) A spinning fan
C) A closed door
D) A sleeping cat
- The joule is named after:
A) Albert Einstein
B) Isaac Newton
C) James Prescott Joule
D) Michael Faraday
