1) Due to an impulse, the change in momentum of the body is 1.8 kg m s¹.if the duration of impulse 0.2 s then what is the force produced in it? a) 8N b) 7N c) 9N d) 6N 2) A ball of mass 600 grams strikes a wall with a velocity of 5m/s at an angle 30 degree with the wall and rebounds with the same speed at the same angle with the wall. the change in momentum of the ball is a) 1kgms—1 b) 3kgms—1 c) 0.25kgms—1 d) Zero 3) AssertionA rocket work on the principle of linear momentum.ReasonWhenever there is the change in momentum of one body, the same change occur in the momentum of the second body of the same system but in the opposite direction. a) Both assertion and reason are correct and reason is the the correct explanation of assertion b) Assertion is correct but reason is incorrect c) Both assertion and reason are correct d) Both assertion and reason are incorrect 4) Average force exerted by the ball on the bowlers is a) 2500N b) 6000N c) 5000N d) 2000N 5) Two similar trucks are moving with the same velocity on the road. One is loaded and the other is empty. Which truck will require more force to be stopped? a) Loaded truck  b) Empty truck c) Both equal d) Can be predicted

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