4) For the situation pictured below, F1 = 20.0 N east and F2 = 30.0 N west , what would the NET FORCE be?
Help me please i will give 15 points

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?

The velocity of a car traveling in a straight line increases from 0 meters/second to 30meters/second in 8 seconds. what is the average acceleration of the car?

Ajoint produces movement when its angle decreases. which type of movement is it?