Q1. A car moves at a constant speed on a straight road. What can be concluded about the forces acting on the car?A There is a net forward force. B The forces are balanced. C There is a net backward force. D Gravity is the only force acting. View full solution →
Q2. Which of the following quantities is a vector quantity?A Force B Speed C Mass D Distance View full solution →
Q4. A cricketer pulls his hands back while catching a ball. This helps to:A Decrease the time of impact B Increase the force exerted by the ball C Decrease the force exerted by the ball D Increase the momentum of the ball View full solution →
Q5. When a car suddenly stops, passengers tend to lean forward due to:A Inertia of motion B Momentum C Inertia of rest D Gravity View full solution →
Q6. Which of the following is the smallest unit of matter?A Particle B Atom C Element D Molecule View full solution →
Q8. When ice melts, its temperature:A Decreases B Remains constant C Fluctuates D Increases View full solution →
Q10. The process in which solid is directly converted to vapours state is called —————A vapourisation B solidification C condensation D sublimation View full solution →
Q12. A body is said to be in uniform motion if it travels:A Equal distances in unequal time intervals B Without changing its direction C Unequal distances in equal time intervals D Equal distances in equal time intervals View full solution →
Q13. In the absence of air resistance, a feather and a stone dropped from the same height will:A The feather will reach the ground first B The stone will reach the ground first C They will float in the air D Both will reach the ground at the same time View full solution →
Q14. A pitcher throws a baseball. As the ball leaves the pitcher's hand, it has a certain momentum. Which force primarily acts to change this momentum later?A Magnetic force B The normal force from the ground C The force from the pitcher's hand D Air resistance and gravity View full solution →
Q15. Which of the following has the most inertia?A A bicycle B A car C A truck D A train View full solution →
Q16. Which of the following statements is incorrect?A Action and reaction forces act on the same body. B Force is a vector quantity. C Inertia is directly proportional to mass. D Balanced forces do not change the state of motion. View full solution →
Q17. The force of attraction between particles is strongest in:A Gas B None of the above C Solids D Liquids View full solution →
Q18. The mass of an object is 10 kg. What is its weight on Earth (g = 9.8 m/s²)?A 1.02 N B 98 N C 9.8 N D 10 N View full solution →
Q19. Which of these is not a type of muscle tissue?A Smooth muscle B Cardiac muscle C Striated muscle D Epithelial muscle View full solution →
Q20. The rate of change of momentum of an object is proportional to the:A Applied force B Time for which force is applied C Velocity of the object D Mass of the object View full solution →