forces and motion

mcqspedia.com has 5 Question/Answers about Topic forces and motion

A person of mass 50 kg flies to moon, his weight at moon would be (earth’s gravity = 10 m s-2, moon’s gravity = 1.6 m s-2)

A person of mass 50 kg flies to moon, his weight at moon would be (earth’s gravity = 10 m s-2, moon’s gravity = 1.6 m s-2)
  • A. 31.25 N
  • B. 500 N
  • C. 51.6 N
  • D. 80 N
  • Correct Answer: Option D

Weight is a/an

Weight is a/an
  • A. force
  • B. base quantity
  • C. scalar quantity
  • D. SI unit
  • Correct Answer: Option A

Formula of force is

Formula of force is
  • A. F = P/A, where P is pressure and A is area
  • B. F = ms, where m is mass and s is speed
  • C. F = ma, where m is mass and a is acceleration
  • D. F = m/v, where m is mass and v is velocity
  • Correct Answer: Option C

Newton’s first law is also known as

Newton’s first law is also known as
  • A. Law of inertia
  • B. Law of momentum
  • C. Law of forces
  • D. Law of zero
  • Correct Answer: Option A

A boy of mass 50 kg runs with a force of 100 N, his acceleration would be

A boy of mass 50 kg runs with a force of 100 N, his acceleration would be
  • A. None
  • B. None
  • C. None
  • D. None
  • Correct Answer: Option C