Question 2 : A truck starts from rest and rolls down a hill with a constant acceleration. It travels a distance of 400 m in 20 s. What is the force acting on it if its mass is 7 tonnes?

Question 3 : A motorcar of mass 1200 kg is moving along a straight line with a uniform velocity of 90 km/h. lts velocity is slowed down to 18 km/h in 4 s by an unbalanced external force. What is the acceleration?

Question 4 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d2e3f59b460d7261f64d.jpg' /> The above image is the distance-time table of an object in motion. What conclusion can you draw about the acceleration? Is it constant, increasing, decreasing, or zero?

Question 5 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d2e3f59b460d7261f64e.jpg' /> The above image is the distance-time table of an object in motion. What do you infer about the forces acting on the object?

Question 6 : Two identical bullets are fired one by a light rifle and another by a heavy rifle with the same force. Which rifle will hurt the shoulder more?

Question 7 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d283f59b460d7261f5cb.png' /> Velocity versus time graph of a ball of mass 50 g rolling on a concrete floor is shown in the figure. Calculate the acceleration of the floor on the ball.

Question 8 : Which of the following has more inertia, a bicycle or a train?

Question 9 : An object of mass 1 kg travelling in a straight line with a velocity of 10 m/s collides with, and sticks to, a stationary wooden block of mass 5 kg. Then, they both move off together in the same straight line. What is the total momentum just before the impact and just after the impact?

Question 10 : A stone of 1 kg is thrown with a velocity of 20 m/s across the frozen surface of a lake and comes to rest after travelling a distance of 50 m. What is the force of friction between the stone and the ice?