Without knowing anything about their magnitudes or directions, the only thing you can always say about thier combination is that it's the "net force" on the object.
Answer:
Work done by the machine (W) = 500 × 1.5 = 750 J
Work supplied to the machine (W) = 100 × 10 = 1000 J
Here, work supplied to the machine is input work = 1000 J
D. Volume will increase
Volume and temperature are directly proportional for a gas.
What happens when you pour water in a glass? It takes the shape of the glass. This means that water can't have a fixed shape or volume