How does inertia explain the movement of your body when a car in which you are riding comes to a sudden stop? (8 sentences)

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work

How much force was applied to an object if was moved 2 meters and the work done on the object was 8 joules? a. 0.25 n b. 4 n c. 6 n d. 16 n