A tractor pulls a plough 2km across a field using a constant force of 8N, what is the work done by the tractor?
Work done= F x d; where d= distance object has been moved through in same direction of force and F= resultant force. F=8 N.d=2 x 1000 m.WD = 2000 x 8 = 16000 J
LB
Related Physics GCSE answers
All answers ▸a car travels at a constant speed of 60 km/h. How far will it be after 3 h?
A jug containing 0.250 kg of liquid is put into a refrigerator. Its temperature decreased from 20°C to 15°C. The amount of energy transferred from the liquid was 5,250 J. Calculate the specific heat capacity of the liquid.
Calculate the distance travelled by the ball traveling at 3m/s for 60 seconds
How does conduction work in metals?