Help please! Will metal and fan!!

10. A boy can raise a rock that weighs 95 N by using a lever and applying a force of 15 N. what is the mechanical advantages of the lever ?

11. what principle explains why lifting heavy objects is easier using ramps??

Question

Help please! Will metal and fan!! 

10. A boy can raise a rock that weighs 95 N by using a lever and applying a force of 15 N. what is the mechanical advantages of the lever ? 


11. what principle explains why lifting heavy objects is easier using ramps??

anonymous · Answer

@Ari_Love @biologyinquirer @CoolKatt16 @kewlkatcutie @kaylamarie081 @Angelus @abtster  Any of you guys know?

sidsiddhartha · Answer

what is the defination of mechanical advantage? can you tell me?

anonymous · Answer

11. is the wheel and axle principle

anonymous · Answer

the ratio of the force produced by a machine to the force applied to it is the definition of it. And thank you @CoolKatt16

sidsiddhartha · Answer

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