posted by edgar .
A cart loaded with bricks has a total mass
of 27.7 kg and is pulled at constant speed by
a rope. The rope is inclined at 23.7
the horizontal and the cart moves 23.1 m on
a horizontal ﬂoor. The coeﬃcient of kinetic
friction between ground and cart is 0.8 .
The acceleration of gravity is 9.8 m/s
How much work is done on the cart by the
Answer in units of kJ