Selected MCQ

Current Question
The work done by a conservative force over a closed path is:
  • A. Positive
  • B. Negative
  • C. Path dependent
  • D. Zero
Correct Answer: D
Explanation:
Conservative forces have zero net work over any closed loop.
Related Question 1
Which force holds nucleus together?
  • A. Gravitational
  • B. Strong nuclear
  • C. Weak
  • D. Electric
Correct Answer: B
Explanation:
Strong force binds nucleons.
Related Question 2
Which unit measures work?
  • A. Watt
  • B. Joule
  • C. Newton
  • D. Pascal
Correct Answer: B
Explanation:
Work is measured in joules.
Related Question 3
Which force acts on charged particles?
  • A. Gravitational
  • B. Magnetic
  • C. Electric
  • D. Nuclear
Correct Answer: C
Explanation:
Electric force acts on charges.
Related Question 4
Which force is strongest?
  • A. Gravitational
  • B. Electromagnetic
  • C. Weak
  • D. Strong
Correct Answer: D
Explanation:
Strong force binds nucleons.
Related Question 5
Which particle experiences all four fundamental forces?
  • A. Electron
  • B. Proton
  • C. Neutrino
  • D. Photon
Correct Answer: B
Explanation:
Proton interacts via strong, weak, EM, and gravity.