Who invented the lever? Archimedes What is a class 1 lever? In a Class One Lever, the Fulcrum is located between the Load and the Force. The closer the Load is to the Fulcrum, the easier it is to lift (increased mechanical advantage). Examples include see-saws, crow bars, hammer claws, scissors, pliers, and boat oars. […]
Why is look-back time not important for nearby galaxies quizlet?
Why is look-back time not important for nearby galaxies quizlet? Why is look-back time not important for nearby galaxies? Galaxies change very slowly. Which feature of a galaxy seems to be related to the mass of the galaxy’s central supermassive black hole? What is the bravest animal? The Guinness book has declared the honey badger […]
What is a simple food chain?
What is a simple food chain? A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain. What is bioaccumulation […]
How would life in a lake be affected if ice sank and lakes froze from the bottom up?
What does it mean when a force is balanced?
What does it mean when a force is balanced? Balanced forces are equal in size and opposite in direction. When forces are balanced, there is no change in motion. In one of your situations in the last section, you pushed or pulled on an object from opposite directions but with the same force. What is […]
What are the different sociocultural factors that can influence physical activity?
What are the different sociocultural factors that can influence physical activity? Social Factors Motivation (Intrinsic/Extrinsic) Competition. Reputation. Excitement. Accountability. Social Support. Networking. Income/Employment. What are examples of socio cultural factors? sociocultural factors including poverty, poor access, to or underutilization of, medical care, lower maternal educational levels, physical or mental illness in the mother or other […]
What is the SI unit of current?
What is negative torque system?
What is negative torque system? Definition. Negative Torque is said to occur when conditions are such that air loading on a propeller causes it to drive the engine to which it is attached vice the normal condition in which the engine drives the propeller. Which is better turboprop or jet? Less efficient & less cost-effective […]
What are the 6 steps of the carbon cycle in order?
What are the 6 steps of the carbon cycle in order? Terms in this set (7) Carbon Cycle. this process is driven by the six processes of: photosynthesis, respiration, exchange, sedimentation and burial, extraction, and combustion. Photosynthesis. Respiration. Burial. Extraction. Combustion. Exchange. Is the carbon cycle important for humans and plants? The carbon cycle is […]
Do all cells have cytoplasm?
Do all cells have cytoplasm? All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. Why do all cells have cytoplasm? Cytoplasm works in plant cells much like it does in animal cells. It provides support to the internal structures, is the suspension medium for the organelles and maintains the shape of a cell. What […]