BOARDIFY TEST SERIES

Which of the following is a unit of force?

• a) Newton
  

• b) Joule
  

• c) Watt
  

• d) Pascal

What does Newton’s second law of motion state?

• a) Every action has an equal and opposite reaction.
  

• b) Force equals mass times acceleration.
  

• c) An object in motion stays in motion.
  

• d) Force depends only on mass.
  

The value of acceleration due to gravity on the Moon is approximately:

• 1.6m/s^2

• 8.6m/s^2

• 9.8m/s^2

• 8.9m/s^2

The force of attraction between two objects depends on their:

• a) Distance and mass
  

• b) Velocity and mass
  

• c) Shape and size
  

• d) None of the above

If the mass of an object is halved and the distance is doubled, the gravitational force will:

• a) Increase
  

• b) Decrease
  

• c) Remain the same
  

• d) Become zero

The SI unit of momentum is:

• m/s

• km/hr

• m/s^2

• kg m/s

A ball thrown upwards will have a velocity of ____ at the highest point.

• a) Zero
  

• b) Maximum
  

• c) Equal to acceleration due to gravity
  

• d) Negative

An object of mass 10 kg is accelerated at 2 m/s22 \, \text{m/s}^22m/s2. The force acting on it is:

• a) 5 N
  

• b) 20 N
  

• c) 10 N
  

• d) 15 N

Gravitational force acts:

• a) Only on Earth
  

• b)Only on heavy objects

• c) Between any two objects in the universe

• 
  d) None of these
  

The inertia of an object depends on its:

• 
  a)acceleration

• b) Velocity
  

• c) Force applied
  

• d) Mass