# CBES Board Class 11/Physics Chapter 5 Laws of Motion Sample Test,Sample questions

## Question: `A ball is dropped from a height of 1 m. If the coeffcient of restitution between the surface and ball is 0.6, the ball rebounds to a height of`

1.0.6 m

2. 0.4 m

3.1 m

4.0.36 m

Posted Date:-2022-07-29 09:33:56

## Question: `A body is sliding down a rough inclined plane which makes an angle of 30 degree with the horizontal. If the coeffcient of friction is 0.26, the acceleration in m/sÂ² is`

1. 1.95

2.2.78

3.3.47

4.4.6

Posted Date:-2022-07-29 09:07:48

## Question: `A body of mass 10 kg is initially at a height of 20 m above the ground. It falls to a height of 5 m above the ground. Its potential energy in the new position is`

1.490 J

2.50 J

3.100 J

4. 300 J

Posted Date:-2022-07-29 09:25:43

## Question: `A body of mass 10 kg is travelling with uniform speed of 5 m/s. Its kinetic energy is`

1.25 J

2.125 J

3.1250 J

4.1000 J

Posted Date:-2022-07-29 09:21:43

## Question: `A body of mass 20 kg is initially at a height of 3 m above the ground . It is lifted to a height of 2 m from that position. Its increase in potential energy is`

1.00 J

2.392 J

3.60 J (

4. -100 J

Posted Date:-2022-07-29 09:20:45

## Question: `A body of mass 20 kg is initially at a height of 3 m above the ground. It is lifted to a height of 2 m from that position. Its increase in potential energy is`

1.100 J

2.392 J

3.60 J

4.-100 J

Posted Date:-2022-07-29 09:31:45

## Question: `A body of mass 5 kg is travelling with a uniform velocity of 2 m/s. Its momentum is`

1.10 kg m/s

2.7 kg m/s

3. 2 .5 kg m/s

4. 3 kg m/s

Posted Date:-2022-07-29 08:25:42

## Question: `A bullet of mass 25 g moving with a velocity of 200 cm/s is stopped within 5 cm of the target. The average resistance offered by the target is`

1.1 N

2.2 N

3.3 N

4.4 N

Posted Date:-2022-07-29 08:27:58

## Question: `A man of 60 kg weight is standing at rest on a platform. He jumps up vertically a distance of 1 m and the platform at the same instant moves horizontally forward with the result that the man lands 1 meter behind the point on the plat from from where the took the jump the total work done by the man at the instant he lands is`

1.300 J

2.150 J

3.600 J

4.zero

Posted Date:-2022-07-29 09:27:12

## Question: `A particle of mass 0.3 kg is subjected to a force F = -kx with k = 15 Two bodies of masses 4 kg and 5 kg are acted upon by the same force. If the acceleration of lighter body is 2 m/sÂ², the acceleration of heavier body is`

1. m/sÂ²

2.1.2 m/sÂ²

3.1.6 m/sÂ²

4.1.8 m/sÂ²

Posted Date:-2022-07-29 09:10:37

## Question: `A solid cylinder of length 1 m and diameter of cross section y 100 cms is first placed with its axis vertical its then slowly inclined till its axis is horizontal. The loss in its potential energy if the mass of the cylinder is 10 kg is`

1.5g J

2.10g J

3.Zero

4.g J

Posted Date:-2022-07-29 09:43:56

## Question: `A solid cylinder of length 1 m and diameter of cross section y 100 cms is first placed with its axis vertical its then slowly inclined till its axis is horizontal. The loss in its potential energy if the mass of the cylinder is 10 kg is`

1.5g J

2.10g J

3.Zero

4.g J

Posted Date:-2022-07-29 09:52:12

## Question: `An electric heater of rating 1000 W is used for 5 hrs per day for 20 days. The electrical energy utilised is`

1.150 kWh

2.200 kWh

3.100 kWh

4.300 kWh

Posted Date:-2022-07-29 09:39:01

## Question: `An isolated particle of mass m is moving in a horizontal plane (x-y), along the x-axis, at a certain height above the ground. It suddenly explodes into two fragments of masses m/4 and 3m/4 . An instant later, the smaller fragment is at y = + 15 cm. The larger fragment at this instant is at`

1.y = -5 cm

2.y = +20 cm

3.y = +5 cm

4.y = -20 cm

Posted Date:-2022-07-29 09:29:41

## Question: ```MCQ Questions for Class 11 Physics Chapter 5 Laws of Motion with Answers May 25, 2022 by Prasanna Check the below NCERT MCQ Questions for Class 11 Physics Chapter 5 Laws of Motion with Answers Pdf free download. MCQ Questions for Class 11 Physics with Answers were prepared based on the latest exam pattern. We have provided Laws of Motion Class 11 Physics MCQs Questions with Answers to help students understand the concept very well. Laws of Motion Class 11 MCQs Questions with Answers The normal force formula of an object placed on a sloping surface is always perpendicular to the surface. Question 1. The mass of a body which is equal to the ratio of the force acting on a body to the acceleration produced in the body is (a) the gravitational mass (b) the electromagnetic mass (c) the internal mass (d) the inertial mass Answer Answer: (d) the inertial mass Question 2. 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 is (a) 1 N (b) 4 N (c) 2 N (d) 8 N Answer Answer: (c) 2 N Question 3. The force required to produce an acceleration of 2 m/sÂ² on a mass of 2 kg is (a) 4 N (b) 10 N (c) 22 N (d) 18 N Answer Question 4. A machine gun fires a bullet of mass 40 g with a velocity of 1200 ms-1. The man holding it can exert a maximum force on 144 N on the gum. How many bullets can he fire per second at the most?```

1.one

2.four

3.two

4.three

Posted Date:-2022-07-29 08:23:16

## Question: `The mass of a body is 2 kg. It weight is`

1.19.6 N

2.20 N

3. 30 N

4.40 N

Posted Date:-2022-07-29 08:30:12

## More MCQS

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