Previous year questions (2014-20): Motion in a Plane Notes | EduRev

Physics 28 Years Past year papers for NEET/AIPMT Class 11

Class 11 : Previous year questions (2014-20): Motion in a Plane Notes | EduRev

The document Previous year questions (2014-20): Motion in a Plane Notes | EduRev is a part of the Class 11 Course Physics 28 Years Past year papers for NEET/AIPMT Class 11.
All you need of Class 11 at this link: Class 11

Q 1. The speed of a swimmer in still water is 20 m/s. The speed of river water is 10 m/s and is flowing due east. If he is standing on the south bank and wishes to cross the river along the shortest path, the angle at which he should make his strokes w.r.t. north is given by:    [2019]
A: 30° west
B: 0° west
C: 60° west
D: 45° west
Ans:
A
Solution:
VSR = 20m/s
VRG =  10m/s
Previous year questions (2014-20): Motion in a Plane Notes | EduRev

sin θ = 10/20
sin θ = 1/2
θ = 300 west

Q 2. A particle moving with velocity Previous year questions (2014-20): Motion in a Plane Notes | EduRev is acted by three forces shown by the vector triangle PQR. The velocity of the particle will:    [2019]
Previous year questions (2014-20): Motion in a Plane Notes | EduRev
A: Increase
B: Decrease
C: Remain constant
D: Change according to the smallest force
Ans:
C
Solution
Previous year questions (2014-20): Motion in a Plane Notes | EduRev
As forces are forming closed loop in same order
Previous year questions (2014-20): Motion in a Plane Notes | EduRev
Previous year questions (2014-20): Motion in a Plane Notes | EduRev
Previous year questions (2014-20): Motion in a Plane Notes | EduRev

Q 3. The x and y coordinates of the particle at any time are x = 5t – 2t2 and y = 10t respectively, where x and y are in meters and t in seconds. The acceleration of the particle at t = 2s is:-    [2017]
A: 5 m/s2 
B: – 4 m/s2 
C: – 8 m/s2 
D: 0
Ans:
B
Solution:
Previous year questions (2014-20): Motion in a Plane Notes | EduRev

Q 4. One end of string of length l is connected to a particle of mass 'm' and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed 'v' the net force on the particle (directed towards centre) will be (T represents the tension in the string):-    [2017]
A: Previous year questions (2014-20): Motion in a Plane Notes | EduRev
B: Previous year questions (2014-20): Motion in a Plane Notes | EduRev 
C: Zero
D: T
Ans:
D
Solution: Net force on the particle in uniform circular motion is centripetal force, which is provided by the tension in string.

Q 5. If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vectors, the angle between these vectors is:    [2016]
A: 180 deg
B: 0 deg
C: 90 deg
D: 45 deg
Ans: 
C
Solution:
Previous year questions (2014-20): Motion in a Plane Notes | EduRev

Q 6. A ship A is moving Westwards with a speed of 10 km h-1 and a ship B 100 km South of A, is moving Northwards with a speed of 10 km h-1. The time after which the distance between them becomes shortest, is:    [2015]
A: 10√2h
B: 0 h
C: 5h
D: 5√2h
Ans:
C
Solution:

Previous year questions (2014-20): Motion in a Plane Notes | EduRev

Previous year questions (2014-20): Motion in a Plane Notes | EduRev

Q 7. A particle is moving such that its position coordinates (x, y) are (2m, 3m) at time t = 0, (6m, 7m) at time t = 2s and (13m, 14m) at time t= 5s. Average velocity vector Previous year questions (2014-20): Motion in a Plane Notes | EduRev from t = 0 to t = 5s is:    [2014]
A: Previous year questions (2014-20): Motion in a Plane Notes | EduRev
B: Previous year questions (2014-20): Motion in a Plane Notes | EduRev
C: Previous year questions (2014-20): Motion in a Plane Notes | EduRev
D: Previous year questions (2014-20): Motion in a Plane Notes | EduRev
Ans:
B
Solution:
Average velocity Vector,

Previous year questions (2014-20): Motion in a Plane Notes | EduRev

Offer running on EduRev: Apply code STAYHOME200 to get INR 200 off on our premium plan EduRev Infinity!

Related Searches

Summary

,

pdf

,

Previous year questions (2014-20): Motion in a Plane Notes | EduRev

,

mock tests for examination

,

Important questions

,

Previous year questions (2014-20): Motion in a Plane Notes | EduRev

,

Sample Paper

,

Previous year questions (2014-20): Motion in a Plane Notes | EduRev

,

MCQs

,

Viva Questions

,

Semester Notes

,

Free

,

past year papers

,

Extra Questions

,

Objective type Questions

,

study material

,

Exam

,

practice quizzes

,

video lectures

,

shortcuts and tricks

,

ppt

,

Previous Year Questions with Solutions

;