Which statements describe how a machine can help make work easier? Select two options.
A) It c...
Physics, 16.04.2020 13:01 shawntawright1
Which statements describe how a machine can help make work easier? Select two options.
A) It can put out more force than the input force by decreasing the distance through which force is applied.
B) It can increase the amount of work performed if the output force is in the same direction as the input force.
C) It can apply a force to an object in a different direction than the force applied to the machine.
D) It can increase the distance through which a force acts by exerting less force than was used on it.
E) It can exert a greater force through a greater distance than the force used on the machine.
Answers: 2
Physics, 22.06.2019 14:30
Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader
Answers: 1
Physics, 22.06.2019 16:30
Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.
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Physics, 22.06.2019 16:50
Consider the growth of a 20-nm-diameter silicon nanowire onto a silicon wafer. the temperature of the wafer surface is maintained at 2400 k. assume the thermal conductivity of the silicon nanowire is 20 wm-1k-1 and all its surfaces including the tip are subjected to convection heat transfer with the coefficient h = 1Γ105 wm-2k-1 and tβ = 8000 k. when the nanowire grows to l = 300 nm, what is the temperature of the nanowire tip (t (x =
Answers: 1
Physics, 22.06.2019 19:30
The ability to make things happen is also called a. heat b. force c. matter d. energy
Answers: 2
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