Q.

Force acting on a particle is given by F=a×P, where ,a   is a constant vector and  P is linear momentum of the particle. Choose the correct option(s):  

see full answer

Want to Fund your own JEE / NEET / Foundation preparation ??

Take the SCORE scholarship exam from home and compete for scholarships worth ₹1 crore!*
An Intiative by Sri Chaitanya

a

Linear momentum of the particle is conserved

b

If  |F| is constant and  aP  path described by the particle is a circle

c

speed of the particle remain same

d

Kinetic energy of the particle is conserved

answer is A, B, D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

detailed_solution_thumbnail

F=a×P

F  is always perpendicular to   P
So , It can’t change speed hence KE is also constant.
P will change its direction. 
|F| will be constant; so particle will move on a circular trajectory.
 

Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon