Does a single pulley reduce weight? One wheel. If you have a single wheel and a rope, a pulley helps you reverse the direction of your lifting force. So, as in the picture below, you pull the rope down to lift the weight up. If you want to lift something that weighs 100kg, you have […]
What is sunlight good for?
What is sunlight good for? Vitamin D is also critical for your immune system, and with consistent exposure to sunlight, you can help strengthen it. A healthy immune system can help reduce the risk of illness, infections, some cancers, and mortality after surgery. What hours should you avoid the sun? To avoid sun damage: Stay […]
What is another word for change of position?
What is another word for change of position? What is another word for change position? move aside shift budge relocate reposition move along move over make way change places shift position What is another word of move? What is another word for move? action maneuverUS gesticulation motion stroke stir stirring shift shifting locomotion How do […]
How is the motion of the object affected by the horizontal and vertical components of its velocity and or acceleration?
How is the motion of the object affected by the horizontal and vertical components of its velocity and or acceleration? The horizontal motion of an object is unaffected by the force of gravity for relatively short displacements. This means that the horizontal velocity is constant, while the vertical velocity is accelerating. This change in angle […]
What liquids expand freezing?
What liquids expand freezing? Expansion. Some substances, such as water and bismuth, expand when frozen. Does ice expand contract? When you heat ice, the molecules gain kinetic energy, and the ice expands until it melts. But once all the ice has turned to water and the temperature starts rising again, expansion stops. Between 32 and […]
Is solstice the same as equinox?
Is solstice the same as equinox? While the solstices result in a change of the length of night and day, the equinoxes do not. The summer and winter solstices result in the longest and shortest day of the year respectively while the equinoxes result in an equal amount of daylight and darkness received all across […]
What are the 4 steps of the phosphorus cycle?
What are the 4 steps of the phosphorus cycle? Weathering. Phosphorus is found in the rocks in abundance. Absorption by Plants. The phosphate salts dissolved in water are absorbed by the plants. Absorption by Animals. The animals absorb phosphorus from the plants or by consuming plant-eating animals. Return of Phosphorus Back to the Ecosystem. What […]
What are two contact forces examples?
What are two contact forces examples? Examples of contact forces include: Reaction force. An object at rest on a surface experiences reaction force . Tension. An object that is being stretched experiences a tension force. Friction. Two objects sliding past each other experience friction forces. Air resistance. What are contact forces 10 examples? Types of […]
What is the maximum bandwidth of an 802.11 b wireless LAN WLAN?
What are the causes and consequences of El Nino?
What are the causes and consequences of El Nino? El Nino is essentially caused by the interaction between the surface layers of the tropical Pacific Ocean and the atmosphere over it. The water is warmer due to the trade winds reversing direction or becoming less intense. In contrast El Nino can also bring flooding and […]