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4 cards from this section. Quick, good the night before a test.
What is the SI unit of force?
Think about what unit we typically measure force in.
Define equilibrium in terms of forces.
What happens to forces acting on a balanced object?
What is the SI unit of force?
Think about which unit relates to push or pull.
True or False: The moment only applies to forces acting vertically.
Consider the direction of forces when applying them.
A teacher uses a pulley to lift a 100 kg bag. Calculate the mechanical advantage required if the effort applied is 50 N.
Remember to convert kg to Newtons by using gravitational acceleration.
A ladder leans against a wall with a 5 m height. If the base is 4 m away from the wall, what is the angle formed with the ground?
Use trigonometric functions to calculate the angle.
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