CLASS 7HOTS by POOJA SAXENA https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp Made with serendipity en-us 2021-07-03 04:14:51 UTC 2022-02-10 05:25:49 UTC hello@padlet.com THE LOAD ARM OF A LEVER IS 2m LONG AND ITS EFFORT ARM IS 3 mLONG . WHAT IS THE EFFORT REQUIRED TO LIFT A LOAD OF 21N poojasaxena1 https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039483866 2022-02-10 04:55:44 UTC https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039483866 2.... A CLASS 1 LEVER OF LENGTH 160 cm HAS ITS FULCRUM AT A DISTANCE OF 40 cm FROM THE LOAD. CALCULATE THE MECHANICAL ADVANTAGE OF THE LEVER poojasaxena1 https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039484263 2022-02-10 04:56:07 UTC https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039484263 Akshat akshatpal21nov2009 https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039506307 Question 1 

]]> 2022-02-10 05:15:54 UTC https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039506307 Akshat akshatpal21nov2009 https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039510932 Question 2]]> 2022-02-10 05:20:12 UTC https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039510932 Pari garg parigarg9apr2010 https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039511886 Load arm = 2m 
Effort arm = 3m 
Load = 21N 
Effort = ? 
The principal of lever 
Load x load arm  x Effort x Effort arm 
21 x 2 x Effort x 3 
Effort = 21 x 2 / 3 
Effort = 14 N ]]> 2022-02-10 05:21:07 UTC https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039511886 yatharth khatre yatharthkhare1jan2010 https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039512169 THE LOAD ARM OF A LEVER IS 2m LONG AND ITS EFFORT ARM IS 3 mLONG . WHAT IS THE EFFORT REQUIRED TO LIFT A LOAD OF 21N
load arm= 2m
effort arm = 3m
load = 21N 
effort=?
la x l/ 3 = 
2x 21 = 42 
42/ 3= 14 
14 n

]]> 2022-02-10 05:21:25 UTC https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039512169 CHARU SAXENA https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039516457 Ans.1.   
Load arm= 2m
Effort arm= 3m 
Load= 21N
Effort= ?
The principal of lever
Load x load arm x Effort x effort arm 
21 x 2x Effort x 3
effort = 21 x 2/3
effort = 14 N]]> 2022-02-10 05:25:44 UTC https://padlet.com/poojasaxena1/yb8n8xkh1yw1vxjp/wish/2039516457