# 100+ Motion In A Plane MCQ For NEET with Answers

Motion In A Plane MCQ For NEET with Answers are the most important topics for various entrance exam like NEET, AIIMS, JEE. These type of Questions are easy to answer and easier to attempt. You don’t really need to refer other sources or books to solve these questions. Today we will cover the Motion In A Plane MCQ For NEET with Answers which covers terms like scalar product, inner product, vector product, triple scalar product, dot product and many other terms.

## Motion In A Plane MCQ For NEET with Answers

These Motion In A Plane MCQ For NEET are based on the following topics:

### Motion In A Plane MCQ For NEET

#### 1. The vector obtained by addition of two vectors is termed as ______

a) New vector

b) Resultant vector

c) Derived vector

d) Sum vector

#### 2. Mass is a ____

a) Scalar quantity

b) Vector quantity

c) Relative quantity

d) Dependent quantity

#### 3. The operation used to obtain a scalar from two vectors is ______

a) Cross product

b) Dot product

c) Simple product

d) Complex product

#### 4. The operation which does not give you a vector as an output from two vector inputs is ______

a) Dot product

b) Cross product

d) Vector subtraction

#### 5. What is a scalar?

a) A quantity with only magnitude

b) A quantity with only direction

c) A quantity with both magnitude and direction

d) A quantity without magnitude

#### 6. What is a vector quantity?

a) A quantity with only magnitude

b) A quantity with only direction

c) A quantity with both magnitude and direction

d) A quantity without direction

#### 7. Which one of the following operations is valid?

a) Vector multiplied by scalar

b) Vector added to scalar

c) Vector subtracted from scalar

d) Vector divided by vector

a) 10î + 35ĵ

b) 2î + 35ĵ

c) 10î + 7ĵ

d) 2î + 7ĵ

a) î + 2ĵ

b) î + 4ĵ

c) î + ĵ

d) 2î + ĵ,

a) 11î + 7ĵ

b) 7î + 11ĵ

c) 7î + 7ĵ

d) 11î + 11ĵ

a) 5

b) 1

c) 10

d) 0

#### 12. What happens when a vector is multiplied by a scalar?

a) Its magnitude gets multiplied by that much amount

b) Its direction rotates in XY plane by that much angle

c) Its direction rotates in YZ plane by that much angle

d) Its direction rotates in ZX plane by that much angle

a) 5î + 7ĵ

b) 7î + 5ĵ

c) 7î + 7ĵ

d) 5î + 5ĵ

a) 7î + 98ĵ

b) 98î + 14ĵ

c) 7î + 98ĵ

d) (î + 7ĵ)*√49

#### 15. The splitting of a vector into two component vectors is called ______

a) Vector resolution

b) Vector sum

c) Vector decomposition

d) Vector difference

#### 16. What is the standard form for the resolution of a vector having magnitude ‘a’ and is inclined at an angle θ to the X axis?

a) a(cos θ î + sin θ ĵ)

b) a(sin θ î + cos θ ĵ)

c) a(sin θ î + sin θ ĵ)

d) a(cos θ î + cos θ ĵ)

#### 17. At which position in vertical circular motion is the tension in the string minimum?

a) At the highest position

b) At the lowest position

c) When the string is horizontal

d) At an angle of 35° from the horizontal

a) 2.5

b) 5.5

c) 5

d)10/√3

a) 25

b) 55

c) 50

d) 100/√3

a) 5

b) 10

c) 4

d) 3

#### 21. A vector can be resolved along ______

a) Only one direction

b) Only two directions

c) Only three directions

d) Only in independent directions

a) A vector

b) A scalar

c) A number

d) An operation

a) 3î + 8ĵ

b) î + 35ĵ

c) î + 8ĵ

d) 2î + 7ĵ

a) -î – 6ĵ

b) 3î + 8ĵ

c) î + 6ĵ

d) 7ĵ

a) 8î + 78ĵ

b) 0î + 76ĵ

c) î + 74ĵ

d) 78î + 8ĵ

#### 26. When two vectors in the same direction are added, the magnitude of resulting vector is equal to _______

a) Sum of magnitudes of the vectors

b) Difference of magnitudes of the vectors

c) Product of magnitudes of the vectors

d) Sum of the roots of magnitudes of the vectors

a) 3î + 8ĵ

b) 7î + 11ĵ

c) 11î + 7ĵ

d) 2î + 7ĵ

a) (4î + 3ĵ)/5

b) 4î + 3ĵ

c) (4î + 3ĵ)/6

d) (4î + 3ĵ)/10

a) ĵ

b) î

c) 4î + 3ĵ

d) z^

a) -25î – 27ĵ

b) 25î + 27ĵ

c) -25î + 27ĵ

d) 25î – 27ĵ

#### 31. Calculating the relative velocity is an example of ______

b) Vector subtraction

c) Vector multiplication

d) Vector division

a) 3î + 8ĵ

b) 5î + 2ĵ

c) 2î + 5ĵ

d) 2î + 7ĵ

a) 3î + 8z^

b) 14î + 16z^

c) 16î + 14z^

d) 2î + 7z^

a) 1

b) 2

c) 3

d) 4

#### 35. A body is exhibiting circular motion. What kind of motion can this be termed as?

a) Motion along a line

b) Motion in a plane

c) Motion in space

d) Motion along a point

#### 36. Which of the following is not an example of motion in a plane?

a) A car moving in a rectangular path

b) A bicycle moving in a circular path

c) A rocket moving into space

d) A truck moving in an infinite spiral

a) 1

b) 2

c) 3

d) 4

#### 38. Which of the following is not true about projectile motion?

a) It is an example of motion in a plane

b) It is an example of motion along a curve

c) It is not an example of motion in space

d) The acceleration keeps changing in projectile motion

#### 39. A body moves from point A (3,6) to point B (11,12) to point C (15,15). What is the average speed of the body along the given path if the total time taken is 100s?

a) 0.15 units/s

b) 1.5 units/s

c) 15 units/s

d) 0.0015 units/s

#### 40. A body moves from point A (2,1) to point B (7,13) to point C (15,19). What is the average speed of the body along the given path if the total time taken is 20 s?

a) 1.15 units/s

b) 11.5 units/s

c) 115 units/s

d) 0.0115 units/s

a) 550î + 350ĵ

b) 350î + 550ĵ

c) 350î – 550ĵ

d) 550î – 350ĵ

#### 42. Which of the following is an example of uniformly accelerated motion in a plane?

a) Motion of a particle in a plane

b) Motion of a particle in a circle

c) Motion of a pendulum

d) Motion of a spring

a) 0.7ĵ

b) 0.7î

c) 0.33î + 7ĵ

d) 0.3î + 7ĵ

a) 0.7î + 0.55ĵ

b) 0.55î + 0.7ĵ

c) 0.3î + 0.7ĵ

d) 0.3î

a) î – 3ĵ

b) 3î – ĵ

c) î + 3ĵ

d) 3î + ĵ

a) 6î – 6ĵ

b) 11î + 5ĵ

c) 6î + 6ĵ

d) 5î + 5ĵ

a) -17î + 7ĵ

b) 7î + 17ĵ

c) -7î + 17ĵ

d) -17î + 7ĵ

a) 100î – 100ĵ

b) 100î + 100ĵ

c) -100î – 100ĵ

d) 0î + 0ĵ

a) -2î – 4ĵ

b) -3î – 2ĵ

c) -4î – 2ĵ

d) 7î + 4ĵ

a) 40î + 30ĵ

b) 30î + 40ĵ

c) 30î – 40ĵ

d) 40î – 30ĵ

a) 50î + 37.5ĵ

b) 37.5î + 50ĵ

c) 37.5î – 50ĵ

d) 50î – 37.5ĵ

a) 551î + 101ĵ

b) 550î + 100ĵ

c) 100î – 550ĵ

d) 550î – 550ĵ

#### 53. A body of mass m, projected at an angle of θ from the ground with an initial velocity of v, acceleration due to gravity is g, what is the maximum horizontal range covered?

a) R = v2 (sin 2θ)/g

b) R = v2 (sin θ)/2g

c) R = v2 (sin 2θ)/2g

d) R = v2 (sin θ)/g

a) 54.13 m

b) 49 m

c) 49.16 m

d) 60 m

a) 0.866s

b) 1.86 s

c) 1.96 s

d) 1.862 s

#### 56. On calculating which of the following quantities, the mass of the body has an effect in simple projectile motion?

a) Velocity

b) Force

c) Time of flight

d) Range

a) 1.5 m

b) 3.0 m

c) 1.0 m

d) 2.0 m

a) When θ = 45°

b) When θ = 60°

c) When θ = 90°

d) When θ = 0°

a) When θ = 45°

b) When θ = 60°

c) When θ = 90°

d) When θ = 0°

a) 1.4142 s

b) 1.5361 s

c) 1.8987 s

d) 1.5651 s

#### 61. The force that keeps the body moving in circular motion is _______

a) Centripetal force

b) Centrifugal force

c) Force of gravity

d) Reaction forces

a) mv2/r

b) mv/r

c) v2/r

d) mv3/r

a) 5m/s2

b) 25m/s2

c) 0.5 m/s2

d) 50 m/s2

#### 64. The centrifugal force always acts _____

a) Towards the center

b) Away from the center

c) In tangential direction

d) Outside of the plane of motion

#### 65. A ball is being rotated in a circle of radius 5 m with a constant tangential velocity of 20 m/s. A stone is also being rotated in a circle of radius 4 m with a constant tangential velocity of 16 m/s. Which one of the following choices is true about both the circular motions?

a) Both have same angular velocity

b) Both have different angular velocity

c) Angular velocity of ball > angular velocity of stone

d) Angular velocity of stone > angular velocity of ball

#### 67. A body is moving in a vertical circular motion. Which one of the following forces does it not experience?

a) Force of gravity

b) Centripetal force

c) Normal reaction force

d) Centrifugal force

a) 28 N

b) 20 N

c) 8 N

d) 15 N

a) 30 N

b) 50 N

c) 20 N

d) 25 N