1. GIVE ONE WORD OF THE FOLLOWING 1. The force which opposes the motion of the body. 2. Opposing arises due to rolling of surfaces. 3. Quantity which does not change with the application of force. 4. Quantity which changes the direction of motion of object.​

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

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?

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius