Home
Class 6
PHYSICS
The work done by a boy in lifting his ba...

The work done by a boy in lifting his bag up to a height of 2 m is 200 J . Find the mass of his bag
(Take g = 10 ` m s^(-2)`).

Text Solution

Verified by Experts

The correct Answer is:
10 kg

W = 200 J
h = 2 m
W = mgh = `m xx 10 xx 2`
20 m = 200
m = 10 kg
Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    PEARSON IIT JEE FOUNDATION|Exercise ASSESSMENT TEST (TEST 1)|35 Videos
  • WORK AND ENERGY

    PEARSON IIT JEE FOUNDATION|Exercise TEST YOUR CONCEPTS ( VERY SHORT ANSWER TYPE QUESTIONS)|10 Videos
  • THE MECHANISM OF MACHINES

    PEARSON IIT JEE FOUNDATION|Exercise Crossword |1 Videos

Similar Questions

Explore conceptually related problems

The work done in lifting a mass of 1 kg to a height of 9.8 m is

A crane lifts a mass of 100 kg to a height of 10 m in 20 s. The power of the crane is (Take g = 10 m s^(-2) )

A crane lifts a mass of 100 kg to a height of 10m in 20s . The power of the crane is (Take g = 10 ms^(-2))

What is the work done to fits to lift a body of mass 5 kg to a height of 50 m from the ground (in J)? (g = 10 m s^(-2) )

Find the work done in lifting a body of mass 20 kg and specific gravity 3.2 to a height of 8 m in water ? (g = 10 m//s^(2)) .

Calculate the worked done in lifting a 300N weight to a height of 10m with an accelertaion 0.5ms^(2) . Take g= 10ms^(-2) .

A boy lifted a small carton of 2 kg mass from the ground and placed it on his head. If the height of the boy is (1.5m), then calculate the work done ("Take g"=10m//s^(2)) .