MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Grade: 12
        

A person of 50kg stands on 25kg platform. he pulls on the rope which is attached  to the platform via the frictionless pulleys.the platforms move upward at the steady rate  if the force with which the person pulls the rope is


a) 500N


b) 250N


c)  25N


d) none of these


ans = (b)


4751-434_6545_untitled2.jpg

10 years ago

Answers : (2)

Pratham Ashish
17 Points
							

hi , fbd  of  plateform

if plateform moves pward with steady state ,

 3F =( 50 + 25 ) g

take g = 10 m/ sec^2

 F = 250 N

10 years ago
Gurjit kaur
21 Points
							Here tension is T and 2T+T=750 and T=750/3 =250 Newton in this question tension =force so F=250N  and force with which the person pulls the rope is tension
						
one year ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

  • 101 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details