Phil says that if a car is moving there must be a resultant force acting on it alarm says there doesn't need to be a resultant force acting on it who do you agree with and why

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

There are two routes similar in terrain; however, one route has an incline of approximately 28 degrees, and you must decide on which route to take. what is the maximum road grade that your fully loaded ecv can climb?