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PHYSICS QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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PHYSICS QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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PHYSICS QUESTIONS AND ANSWERSWITH SOLUTIONS 2024
Force - ANSWER Energy used to push or pull an object
Newton - ANSWER Unit of measurement of force
Friction - ANSWER The force exerted on an object when it is in contact with another object as it moves or
tries to move
Weight - ANSWER The force of gravity on an object
Mass - ANSWER The amount of matter in an object
Gravity - ANSWER A force between two objects
Work - ANSWER When an object is moved in the same direction as the force is applied
Newton Meter - ANSWER Unit of measurement for work (NM)
Joules - ANSWER Unit of measurement for work (J)
Input Force - ANSWER Force you exert on the machine
Output Force - ANSWER the force the machine exerts on an object
Mechanical Advantage - ANSWER the number of times a machine increases a force exerted on it
Simple Machine - ANSWER A machine is a device that allows you to do work in a way that is easier or
more effective. (Force, Distance and Direction)
, Lever - ANSWER A rigid bar that is free to pivot, or rotate on a fixed point called a fulcrum
Advantage changes:
Force
Distance
Direction
Can only get one advantage at a time depending on how you use the lever
Inclined Plane - ANSWER A flat, sloped surface
Advantage: Force
Disadvantage: Distance
Examples:
Moving ramp
Stairs
Boat ramp
Pulley - ANSWER A grooved wheel with a rope or wire wrapped around it
Advantage: Force (common)
Direction (rare)
Disadvantage: Distance
Examples:
Top of crane
Top of elevator
Top of flag pole
Screw - ANSWER Thought as a inclined plane wrapped around a cylinder
Advantage : Force
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