What is the pressure exerted by a block of wood of mass 10 kg with an area of 0.1 m2 ?
i. 1000 N ii. 100 Pa iii. 1000 Pa iv. 100 N

You will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. (refer to the walk-through video to locate the online lab within the online textbook).

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.