Laws of Motion – Physics | NEET Online Mock Test Leave a Comment / Blog / By admin Online Mock Test Description Mock TestLaws of MotionExamNEET Medical TestSubjectPhysicsMarks100No. Questions50 QuestionsTime50 Minutes 3 Sorry! Time up Laws of Motion - NEET (Physics) Best of Luck! 1 / 50 Normal reaction is a type of which fundamental force. Gravitational force Electromagnetic force Strong nuclear force Weak nuclear force 2 / 50 A particle of mass 2 kg is dropped from a height of 20m and rises to a height of 5m. Calculate the change in momentum between before and after hitting the ground 30 kg m/s Zero 10 kg m/s 60 kg m/s 3 / 50 1 2 3 4 4 / 50 1 2 3 4 5 / 50 1 2 3 4 6 / 50 1 3 4 7 / 50 1 2 3 4 8 / 50 1 2 3 4 9 / 50 1 2 3 4 10 / 50 1 2 3 4 11 / 50 A ball weighing 10 g hits a hard surface vertically with a speed of 5 m/s and rebounds with the same speed. The ball remains in contact with the surface for 0.01 sec. The average force exerted by the surface on the ball is 100 N 10 N 1 N 0.1 N 12 / 50 A spring balance is attached to the ceiling of a lift. A man hangs his bag on the spring and the spring reads 49 N, when the lift is stationary. If the lift moves downward with an acceleration of 5 m/s², the reading of the spring balance will nearly be equal to 24 N 74 N 15 N 49 N 13 / 50 A rocket with its fuel has a mass of 200 kg. The | exhaust velocity of fuel is 1.6 km/s. The minimum rate of consumption of fuel so that the rocket may rise from the ground is (g = 10m/s²)1.250 kg/sec2.315 kgs-13.125 kgs-14.251 kgs-1 1 2 3 4 14 / 50 1 2 3 4 15 / 50 A car is moving on a circular level road with radius of curvature 300m. If the coefficient of friction is 0.3 and acceleration due to gravity is 10m/s², the maximum speed of car can be 90 km/h 81 km/h 108 km/h 162 km/h 16 / 50 1 2 3 4 17 / 50 1 2 3 4 18 / 50 1 2 3 4 19 / 50 1 2 3 4 20 / 50 1 2 3 4 21 / 50 1 2 3 4 22 / 50 1 2 3 4 23 / 50 1 2 3 4 24 / 50 A machine gun fires bullets of mass 30g with a velocity of 1500 m/s. The man holding the gun can exert a maximum force of 300N on it. How many bullets can he fire per second. at most? 1 2 3 6 25 / 50 1 2 3 4 26 / 50 1 2 3 4 27 / 50 Calculate the contact force of the inclined plane acting on a body of mass m kept at rest on an inclined plane at an angle of 0 mg mg cosθ mg tanθ mg sinθ 28 / 50 1 2 3 4 29 / 50 1 2 3 4 30 / 50 A car is moving in a circular horizontal track of a radius of 10 m with a constant speed of 10 m/s. A bob is suspended from the roof of the car by a light string. The angle made by the string with the vertical at equilibrium is (g= 10 m/s²) Zero 30 degree 45 degree 60 degree 31 / 50 1 2 3 4 32 / 50 1 2 3 4 33 / 50 1 2 3 4 34 / 50 1 2 3 4 35 / 50 When a bicycle is pedalled, the force of friction exerted by the ground on the two wheels is such that it acts In the backward direction on the front wheel and in the forward direction on the rear wheel In the forward direction on the front wheel and in the backward direction on the rear wheel In the backward direction on both wheels In the forward direction on both wheels 36 / 50 1 2 3 4 37 / 50 1 2 3 4 38 / 50 If two balls each of mass 0.06 kg moving in opposite directions with a speed 4 m/s collide and rebound with the same speed, then the impulse imparted to each ball by the other is 0.48 kg m/s 0.81 kg m/s 0.53 kg m/s 0.92 kg m/s 39 / 50 A block of mass m is placed on a rough surface (with the coefficient of friction µ) inclined at 0 to horizontal. If the block is just in equilibrium, thenθ = tan-1 μθ = tan-1 (2μ)θ = tan-1 (3μ)θ = tan-1 (2.5μ) 1 2 3 4 40 / 50 A body of mass 2 kg is kept stationary by pressing to a vertical wall with a force of 100 N. The coefficient of friction between the wall and the body is 0.3. Then the frictional force is equal to (g=10 m/s²) 6 N 600 N 20 N 700 N 41 / 50 1 2 3 4 42 / 50 1 2 3 4 43 / 50 1 2 3 4 44 / 50 A marble block of mass 2 kg lying on a long horizontal ice slab. When given a velocity of 6 ms, it is stopped by friction in 10 seconds. Then the coefficient of friction is 0.02 0.03 0.06 0.02 45 / 50 1 2 3 4 46 / 50 1 2 3 4 47 / 50 1 2 3 4 48 / 50 1 2 3 4 49 / 50 A reference frame attached to the earth is an inertial frame by definition Cannot be an inertial frame because the earth is revolving around the sun is an inertial frame because Newton's laws are applicable is an inertial frame because the earth rotating about its own axis 50 / 50 1 2 3 4 Your score isThe average score is 18% 0% Restart quiz next chapter :