A force of 2i+3j+4k newton acts on a body for 4 second, produces a displacement of 3i+4j+5k m.The power used is|| Physics class 11 mcqs

The angle between two vectors -3i+6k and 2i+3j+k is

If a vector 2i+3j+8k is perpendicular to the vector 4i-4j+ak,then the value of a is

Magnitude of vector which comes on addition of two vectors,6i+7j and 3i+4j is

If a body of mass 2 kg is moving with momentum 6 Ns, then its kinetic energy (K.E) will be

Laws of Motion -07- The Magnitude of Hinge Force

Laws of Motion -08- Acceleration of Blocks Pushed by External Force

Calculate the work done by force F specified by F=3i+4j+5k in displacing a body from position B to position A along a straight path.The position vectors A and B are respectively given as rA=2i+5j-2k and rB=7i+3j-5k. Sindh Text Physics Numerical Solution

A force F=6i+2j-3k acts on a particle and produces a displacement of S=2i-3j+xk.If the work done is zero, the value of x is

Prove that one dyne is equal to 10 power minus 5 newton_ prove that 1 dyne=10^-5N

The unit of force constant is

The graph between voltage and current in s.i units is shown in figure below then resistance will be

Impulse -02- Particle Velocity From Instantaneous Force

Prove that one kilo watt hour is equal to 3.6×10 power 6 J

If T is time period of simple pendulum at a place where acceleration due to gravity is g,then length of pendulum is

If a wheel of radius 0.5 m is rolling without slipping then its linear distance covered in three revolutions will be

When an object is thrown upward,it rises to height h. How high is the object in terms of h when it has lost one third of its original kinetic energy_work, power and energy numericals

At what angle between force and displacement the work done on the body is just 50% of maximum work

Laws of Motion -05- An Object In Equilibrium

Parabolic Motion -01- The Magnitude Of The Object's Velocity In Projetile Motion

If a body covers three revolutions in 5 seconds then its angular displacement in S.I units will be

Prove that one erg is equal to 10 power -7 joule_-_ prove that 1 erg=10-7J

Two forces each of magnitude F, have a resultant of the same magnitude F. The angle between the two forces is

A body of mass m accelerates uniformly from rest to a speed Vf in time tf.Show that the work done on the body as a function of time in terms of Vf and tf is 1/2mVf2 t2 /tf2_Sindh Text Physics class 11 numerical solution

Problem No 3.9 : Two blocks of masses 2.0 kg and 0.50 kg are ......

Problem No 3.4 : Two masses m1 and m2 are initially at rest .......