Q1) Who formulated the three laws of motion?

a) Galileo Galilei

b) Isaac Newton

c) Albert Einstein

d) Nikola Tesla


Q2) According to Newton's first law of motion, an object will remain at rest or in uniform motion unless acted upon by:

a) Gravity

b) Friction

c) Net external force

d) Magnetism


Q3) Which law of motion is also known as the law of inertia?

a) Newton's first law

b) Newton's second law

c) Newton's third law

d) None of the above


Q4) According to Newton's second law of motion, the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its:

a) Mass

b) Volume

c) Density

d) Velocity


Q5) What is the SI unit of force?

a) Newton

b) Joule

c) Watt

d) Kilogram


Q6) Which of Newton's laws explains why a passenger lurches forward when a car suddenly stops?

a) First law

b) Second law

c) Third law

d) None of the above


Q7) According to Newton's third law of motion, for every action, there is an equal and opposite:

a) Reaction

b) Force

c) Acceleration

d) Momentum


Q8) When a person jumps off a boat onto the shore, the boat moves backward due to which law of motion?

a) Newton's first law

b) Newton's second law

c) Newton's third law

d) Archimedes' principle


Q9) What is the relationship between force and acceleration according to Newton's second law?

a) Directly proportional

b) Inversely proportional

c) No relationship

d) Exponential relationship


Q10) Which of the following statements best describes Newton's third law of motion?

a) An object in motion tends to stay in motion unless acted upon by an external force.

b) The force applied on an object is equal to the rate of change of its momentum.

c) For every action, there is an equal and opposite reaction.

d) The acceleration of an object is directly proportional to the net force acting on it.


Q11) When a person pushes against a wall, the force exerted by the person is:

a) Greater than the force exerted by the wall

b) Less than the force exerted by the wall

c) Equal to the force exerted by the wall

d) Independent of the force exerted by the wall


Q12) A rocket accelerates in space due to the expulsion of gases backward. This is an example of which law of motion?

a) Newton's first law

b) Newton's second law

c) Newton's third law

d) Kepler's law


Q13) What is the net force acting on an object at rest?

a) Zero

b) Equal to its mass

c) Equal to its acceleration

d) Greater than its weight


Q14) Which of the following situations represents the application of Newton's first law of motion?

a) A ball rolling down a hill

b) A skydiver falling from an airplane

c) A car coming to a stop at a red light

d) A book sliding off a table


Q15) If the mass of an object remains constant and the force acting on it is doubled, what happens to its acceleration according to Newton's second law?

a) It doubles

b) It halves

c) It quadruples

d) It remains the same


Q16) When you walk, the backward force exerted by the ground on your feet is an example of which law of motion?

a) Newton's first law

b) Newton's second law

c) Newton's third law

d) Law of conservation of momentum


Q17) In a collision between two objects, the total momentum before the collision is equal to the total momentum after the collision. This statement is based on which law of motion?

a) Newton's first law

b) Newton's second law

c) Newton's third law

d) Law of conservation of momentum

Q18) If you push a table with a force of 50 N and the table pushes back with a force of 50 N, what is the net force on the table?
a) 100 N
b) 50 N
c) 0 N
d) 25 N

Q19) When a basketball player jumps vertically, the downward force exerted by the Earth on the player is balanced by the upward force exerted by the:
a) Player's muscles
b) Air resistance
c) Floor
d) Basketball

Q20) Which of the following is NOT a unit of force?
a) Newton (N)
b) Pound-force (lbf)
c) Kilogram (kg)
d) Dyne (dyn)