- This Mock test contains 25 MCQ questions.
- Choice and sequence for attempting questions will be as per the convenience of the candidate.
- Read each question carefully.
- Determine the one correct answer out of the four available options given for each question.
- Each question awards you 1 point.
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Question 1 of 25
1. Question1 point(s)
A block is pushed momentarily on a horizontal surface with initial velocity ‘v’. If ‘μ’ is the coefficient of sliding friction between the block and surface, the block will come to rest after time (‘g’ = acceleration due to gravity)CorrectIncorrect
Question 2 of 25
2. Question1 point(s)
Maximum acceleration of the train in which a 50 kg box lying on its floor will remain Stationery
(Given : Co-efficient of static friction between the box and the train’s floor is 0.3 and g = 10 ms–2)CorrectIncorrect
Question 3 of 25
3. Question1 point(s)
A rigid ball of mass m strikes a rigid wall at 60° and gets reflected without loss of speed as shown in the figure below. The value of impulse imparted by the wall on the ball will beCorrectIncorrect
Question 4 of 25
4. Question1 point(s)
Given in the figure are two blocks A and B of weight 20 N and 100 N, respectively. These are being pressed against a wall by a force F as shown. If the coefficient of friction between the blocks is 0.1 and between block B and the wall is 0.15, the frictional force applied by the wall on block B isCorrectIncorrect
Question 5 of 25
5. Question1 point(s)
Three blocks with masses m, 2m and 3m are connected by strings, as shown in the figure. After an upward force F is applied on block m, the masses move upward at constant speed v. What is the net force on the block of mass 2 m?
(g is the acceleration due to gravity)CorrectIncorrect
Question 6 of 25
6. Question1 point(s)
A stone of mass 0.05 kg is thrown vertically upwards. What is the direction and magnitude of net force on the stone during its upward motion?CorrectIncorrect
Question 7 of 25
7. Question1 point(s)
A machine gun fires a bullet of mass 40 g with a velocity 1200 ms–1. The man holding it can exert a maximum force of 144 N on the gun. How many bullets can he fire per second at the most?CorrectIncorrect
Question 8 of 25
8. Question1 point(s)
A block of mass m is placed on a smooth wedge of inclination θ. The whole system is accelerated horizontally, so that the block does not slip on the wedge. The force exerted by the wedge on the block (g is acceleration due to gravity) will beCorrectIncorrect
Question 9 of 25
9. Question1 point(s)
A horizontal force of 10 N is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.2. The weight of the block isCorrectIncorrect
Question 10 of 25
10. Question1 point(s)
Three blocks A, B and C of masses 4 kg, 2 kg and 1 kg respectively, are in contact on a frictionless surface, as shown. If a force of 14 N is applied on the 4 kg block, then the contact force between A and B isCorrectIncorrect
Question 11 of 25
11. Question1 point(s)
A plank with a box on it at one end is gradually raised about the other end. As the angle of inclination with the horizontal reaches 30º, the box starts to slip and slides 4.0 m down the plank in 4.0 s. The coefficients of static and kinetic friction between the box and the plank will be, respectivelyCorrectIncorrect
Question 12 of 25
12. Question1 point(s)
A spherical ball of mass 10^-6 kg hits a wall 1000 times per second normally with a velocity of 1000 m/s and rebounds with same velocity along the initial direction. The force experienced by the wall isCorrectIncorrect
Question 13 of 25
13. Question1 point(s)
A mass of 5 kg is tied to a string of length 1.0 m and is rotated in vertical circle with a uniform speed of 4 m/s. The tension in the string will be 130 N when the mass is at (g = 10 m/s2)CorrectIncorrect
Question 14 of 25
14. Question1 point(s)
A motor cyclist moving with a velocity of 75 km/hr on a flat road takes a turn on the road at a point where the radius of curvature of the road is 20 m. If the g is 10 m/s2 the maximum angle of banking with vertical for no skidding isCorrectIncorrect
Question 15 of 25
15. Question1 point(s)
A mass 2m moving with some speed is directly approaching another mass m moving with double speed. After some time, they collide with coefficient of restitution 0.5. Ratio of their respective
speeds after collision isCorrectIncorrect
Question 16 of 25
16. Question1 point(s)
A uniform rod of mass 2m is held horizontal by two sturdy, practically inextensible vertical strings tied at its ends. A boy of mass 3m hangs himself at one third length of the rod. Ratio of the tension in the string close to the boy to that in the other string isCorrectIncorrect
Question 17 of 25
17. Question1 point(s)
At a given instant three point masses m, 2m and 3m are equidistant from each other.
Consider only the gravitational forces between them. Select correct statement/s for this instance only:CorrectIncorrect
Question 18 of 25
18. Question1 point(s)
Variation of a force in a certain region is given by F = 6x² – 4x – 8. It displaces
an object from x = 1 m to x = 2 m in this region. Calculate the amount of work done.CorrectIncorrect
Question 19 of 25
19. Question1 point(s)
Four uniform solid cubes of edges 10cm, 20 cm, 30 cm and 40 cm are kept on
the ground, touching each other in order.Locate centre of mass of their system.CorrectIncorrect
Question 20 of 25
20. Question1 point(s)
A marble of mass 2m travelling at 6cm/s is directly followed by another marble of mass m with double speed. After collision, the heavier one travels with the average initial speed of the two.
Calculate the coefficient of restitution.CorrectIncorrect
Question 21 of 25
21. Question1 point(s)
What is the time taken by the body to slide down an inclined plane if the length of the inclined plane is L, a as the retardation, and Ө is the angle of inclination.CorrectIncorrect
Question 22 of 25
22. Question1 point(s)
Choose the correct statementCorrectIncorrect
Question 23 of 25
23. Question1 point(s)
Consider a man standing on the spring balance such that the reading on the spring balance is 60kg. If the man jumps out of the spring balance what will be the final reading of the spring balance?CorrectIncorrect
Question 24 of 25
24. Question1 point(s)
A particle of mass m is given an impulse such that the velocity of the particle changes from v1 to v2. The impulse is equal toCorrectIncorrect
Question 25 of 25
25. Question1 point(s)
Let two bodies be with masses 2kg and 5kg respectively. Let these bodies be at rest with the same force acting on them. Calculate the ratio of times that is required by both the bodies to reach the final velocity.CorrectIncorrect