A force of `0.5 N` is applied on upper block as shown in figure. The work done ( in joule ) by upper block on lower block for a displacement of `3 m` is `:`

A force of F=0.5 N is applied on lower block as shown in figure. The work done by lower block on upper block for a displacement of 3 m of the upper block with respect to ground is (Take, g=10 ms^(-2) )

A force of F=0.5 N is applied on lower block as shown in figure. The work done by lower block on upper block for a displacement of 3 m of the upper block with respect to ground is (Take, g=10 ms^(-2) )

A force of F = 0.5 N is applied on lower block as shown in figure. The work done by lower block on upper block for a displacement of 6m of the upper block with respect to ground is (in J). (Take g = 10 m//s^(2) ).

A force of F = 0.5 N is applied on lower block as shown in figure. The work done by lower block on upper block for a displacement of 6m of the upper block with respect to ground is (in J). (Take g = 10 m//s^(2) ).

A force of 20 N is applied on upper block as shown in the figure. Te total work done by frictional during the time interval in which the upper block has a displacement of 15 m with respect to the ground is (take g = 10 m//s^(2) )

A force of 20 N is applied on upper block as shown in the figure. Te total work done by frictional during the time interval in which the upper block has a displacement of 15 m with respect to the ground is (take g = 10 m//s^(2) )

A block of negligible size and mass 2kg is placed above a plank of mass 4kg and length 16m as shown in figure. A force of 44N is applied on the lower block as shown in the figure. The ground is smooth, coefficient of friction between upper and lower block is 0.2. Find the time after which the upper block will fall over.

A block of negligible size and mass 2kg is placed above a plank of mass 4kg and length 16m as shown in figure. A force of 44N is applied on the lower block as shown in the figure. The ground is smooth, coefficient of friction between upper and lower block is 0.2. Find the time after which the upper block will fall over.

A small block of mass 20kg rests on a bigger block of mass 30kg , which lies on a smooth horizontal plane. Initially the whole system is at rest. The coefficient of friction between the blocks is 0.5 . The horizontal force F=50N is applied on the lower block. a. Find the work done by fricitonal force on upper block and on the lower block in t=2s . b. Is the magnitude of work done by the frictional force on upper and lower blocks same? c. Is the work done by the frictional force on the upper block converted to heat or mechanical energy or both?

A small block of mass 20kg rests on a bigger block of mass 30kg , which lies on a smooth horizontal plane. Initially the whole system is at rest. The coefficient of friction between the blocks is 0.5 . The horizontal force F=50N is applied on the lower block. a. Find the work done by fricitonal force on upper block and on the lower block in t=2s . b. Is the magnitude of work done by the frictional force on upper and lower blocks same? c. Is the work done by the frictional force on the upper block converted to heat or mechanical energy or both?