Jack has a mass of 75 kg, and he is holding in his hands a bag of flour weighing 40 N. Use this information to answer the following two questions.
With what force does the floor push up on his feet? Include units in your answer.

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?

Which accounts for an increase in the temperature of a gas that is kept a constant volume

Hat is the most commonly cited cause of occupational injuries in the healthcare sector? a. repositioning of patients b. manual pipetting c. slips and trips d. workplace violence