PHYSICS QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

PHYSICS QUESTIONS AND ANSWERS
WITH 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