A particle moves from point (5, 9, 7) to (8, 5, 2) with constant speed `\10sqrt(2)m/s` on a straight line .A force `\F_(1)=(3hat i+4hat j)N` is acting on particle throughout its journey. Find the second force acting on the particle -

A particle moves from (0,0) to (a,a) to (2a,3a) and finally reaches at the origin. During motion a constant force F=(3hat i+4hat j)N is acting on the block.The work done by the force on the block is?

A force vec F=(2 hat i + 3hat j \- 4 hat k)N acts on a particle moves 5 sqrt(2)m , the work done by force in joule is

A force (hat(i)-2hat(j)+3hat(k)) acts on a particle of position vector (3hat(i)+2hat(j)+hat(k)) . Calculate the torque acting on the particle.

An alpha particle is moving with a velocity of (7 xx 10^(5) hat I m//s) in a magnetic field of (5 hat I + 9 hat j) T. Find the magnetic force acting on the particle.

An alpha particle is moving with a velocity of (7 xx 10^(5) hat i m//s) in a magnetic field of (5 hat i + 9 hat j ) . T . Find the magnetic force acting on the particle.

A particle moves from a point vec (r)_(2)=(2hat(i) +3hat(j)) to another point vec (r)_(2)=(3hat(i) +2hat(j)) during which a certain force vec(F)=(5hat(i)+5hat(j)) acts on it. Calculate work done by the force on the particle during this displacement.

The velocity of a particle of mass 2 kg is given by vec(v)=at hat(i)+bt^(2)hat(j) . Find the force acting on the particle.

An a particle is moving in a magnetic field of (3 hat(i) + 2 hat (j)) tesla with a velocity of 5xx10^(5) hat (i) m/s. The magnetic force acting on the particle will be-

A force F=2hat(i)+hat(j)-hat(k) acts at point A whose position vector is 2hat(i)-hat(j) . Find the moment of force F about the origin.

A force F=2hat(i)+hat(j)-hat(k) acts at point A whose position vector is 2hat(i)-hat(j) . Find the moment of force F about the origin.