Laws of Motion

Q2. Mass and weight are exactly the same physical quantity.

Q3. A force can change the motion of an object.

Q4. The SI unit of acceleration due to gravity is m s⁻¹.

Q5. The inertia of an object depends on its mass.

Q6. Newton’s first law is also called the law of inertia.

Q7. Rocket propulsion is related to Newton’s third law.

Q8. Doubling the distance between two bodies makes gravitational force four times.

Q9. Torque is the product of force and perpendicular distance.

Q10. For the same force, a body with greater mass gets greater acceleration.