361 A body in equilibrium__________________? Physics Medium Full question → A Always at rest B Always in uniform motion C May be at rest or in uniform motion D May be at rest or in motion
362 Torque acting on a body determines_______________? Physics Medium Full question → A Acceleration B Linear acceleration C Angular acceleration D Direction of motion of the body
363 SI unit of torque is______________? Physics Medium Full question → A N.m B joule C Both a and b are correct D Neither a nor b is correct
364 The dimension of torque is______________? Physics Medium Full question → A [ML2T-2] B [MLT-2] C [ML2T] D [ML-2T-2]
365 Torque is defined as______________? Physics Medium Full question → A Turning effect of force B Cross product of position vector and force C Product of force and moment arm D All A, B and C are correct
366 The magnitude of the cross product is equal to the dot product between them. The angle between the two vectors is________________? Physics Medium Full question → A 30° B 45° C 60° D 180°
367 An angle between two vectors A and B can be determined by_____________? Physics Medium Full question → A Their dot product B Their cross product C Head to tail rule D Right-hand rule
368 Which one is a unit vector ? Physics Medium Full question → A ??3 i^ + ??3 j^ + ??3 k^ B 1/??3 i^ + 1/??3 j^ +1/ ??3 k^ C ??3 / 3 i^ + ??3 / 3 j^ + ??3 / 3 k^ D Both B and C are correct
369 Null vector is a vector which has________________? Physics Medium Full question → A Zero magnitude B No specified direction C Both A and B are correct D Both A and B are not correct
370 If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has the direction along_____________? Physics Medium Full question → A West B North C Down D Up
371 The direction of the vector product is given by______________? Physics Medium Full question → A Head to tail rule B Right-hand rule C Left-hand rule D Triangular rule
373 If A=B, which of the following is not correct ? Physics Medium Full question → A A.B = A^ B^ B |A| = |B| C |A^| = |B^| D AB^ = BA^
374 Two vectors are A = 3i^+2j^ -k^& B = 3i^-2j^ +k^ , then_____________? Physics Medium Full question → A B is anti-parallel to A B B is a negative vector of A C B has a negative magnitude D B is perpendicular to A
375 Two vectors A and B are making angle θ with each other. The scalar projection of vector B on vector A is written as____________? Physics Medium Full question → A A.B/A B A.B/B C A.cosθ D Both a and b are correct
376 In which quadrant the two rectangular components of a vector have same sign ? Physics Medium Full question → A 1st B 2nd C Both 1st and 3rd D 4th
377 What is the angle that the given vector makes with y-axis and A=2i+3j ? Physics Medium Full question → A 30° B 60° C 90° D 120°
378 A central force is that which__________________? Physics Medium Full question → A Can produce torque B Cannot produce torque C Some time can produce torque some time cannot D Has no relation with torque
379 If A=Ax i^ + Ay j^ + Az K^ B = Bx i^ + By j^ + Bz K^ then______________? Physics Medium Full question → A A. B = Ax Bx + Ay By + Az Bz B A. B = Ax By + Ay Bz + Az By C A. B = Ay Bz + Az By + Az Bx D A. B = Ax Bz + Ay By + Az Bx
380 Which equation is not dimensionally correct ? Physics Medium Full question → A E=mc2 B Vf=Vi+at C S=Vt2 D S=1/2at2