A heavy box having a mass of 300 kg is moved along the floor for a distance of 10m. If the coefficient of sliding friction is 0.2m how many kcal of heat are produced ?

A heavy box having a mass of 300 kg is pulled along the floor for 10 m. If the coefficient of sliding friction is 0.2 , kilocalories of heat produced is

A heavy box having a mass of 2 quintal is pulled along the floor for 8 metre. If coefficient of sliding friction is 0.2, how much heat is developed ? Given J = 4.2 xx 10^(3)J kcal ^(-1)

A block of mass 50 kg slides over a horizontal distance of 1m. If the coefficient of friction between their surface is 0.2, then work done against friction is (take g = 9.8 m//s^(2) ) :

A block of mass 50 kg slides over a horizontal distance of 1m. If the coefficient of friction between their surface is 0.2, then work done against friction is (take g = 9.8 m//s^(2) ) :

A 500kg horse pulls a cart of mass 1500kg along a level road with an acceleration of 1m//s^(2) . if coefficient of sliding friction is 0.2 then force exerted by the earth on horse is .

On a rough horizontal surface, a body of mass 2 kg is given a velocity of 10 m / s . If the coefficient of friction is 0.2 and g=10m//s^(2) , the body will stop after covering a distance of

A heavy box of mass 20 kg is pulled on a horizontal force.If the coefficient of kinetic friction between the box and the horizontal surface is 0.25, find the force of friction exerted by horizontal surface on the box.

A block slides on ice with a velocity of 5m//s comes to rest after moving through a distance of 13.5m . Find the coefficient of friction ?

A block of mass 4 kg is placed on the floor. The coefficient of static friction is 0.4. If a force of 12 N is applied on the block parallel to the floor, the force of friction between the block and floor (g = 10 ms^(-2))