Question Text
Question 1 :
A water tanker filled up to $\frac{2}{3}$ of its height is moving with a uniform speed. On sudden application of the brake, the water in the tank would ______.
Question 2 :
What is the momentum of an object of mass m, moving with a uniform velocity v?
Question 3 :
A horse continues to apply a force in order to move a cart with a constant speed because the force applied by the horse balances the force of friction.
Question 4 :
Which of the following has more inertia, a rubber ball or a stone of the same size?
Question 5 :
Which of the following statement is not correct for an object moving along a straight path in an accelerated motion?
Question 6 :
A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goal keeper to
Question 7 :
A batsman hits a cricket ball which then rolls on a level ground. After covering a short distance, the ball comes to rest. The ball slows to a stop because
Question 8 :
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 it's acceleration?
Question 9 :
Which of the following has more inertia, a five rupes coin or a one rupee coin?
Question 10 :
Two friends on roller-skates are standing 5 m apart facing each other. One of them throws a ball of 2 kg towards the other. How will this activity affect the position of the two? Explain your answer.