Consider this situation: a bucket of water, attached to a rope, is being pulled upward out of a well. of the forces listed, identify which act upon the bucket. a. normal force b. gravity force c. applied force d. friction force e. tension force f. air resistance force

Luke and carrie are driving down a straight section of the interstate at 70 mph in luke's new convertible. carrie is drinking a soda in the passenger seat. when she is done she tosses the bottle straight up in the air, just above the height of the car. what will happen to the bottle if air resistance is neglected? a. the bottle will land in carrie's lap. b. not enough information is given. c. the bottle will land on the interstate in front of the car. d. the bottle will land on the interstate behind the car.

What do you think car designers do if the damage caused by a crash test is too severe?

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.