Question
A porter lifts luggage of 20 kg from the ground and puts it on his head 2 m above the ground. Calculate the work done by him on the luggage (take g = 10ms-2)
More Physics GS Questions
- An object initially at rest explodes into several fragments. If no external forces act during the explosion, the center of mass of the fragments will:
- The material used in the fabrication of a transistor is –
- An object moves towards a convex lens of focal length 20 cm with a velocity of 5 cm/s. When the object is at 30 cm from the lens, find the rate at which th...
- Which of the following statement is true for a wavelength of 1000 nm. A p-n photodiode is fabricated from a semiconductor with band gap of 1.9 eV.
- If the Earth stopped rotating, what would happen to the apparent value of gravity (g) at different locations?
- A body is thrown upward with an initial velocity of 20m/s. How much time will it take to reach its maximum height. (g=10m/s)
- A train approaches a stationary observer with a speed of 36 km/h. It emits a sound of frequency 500 Hz. If the speed of sound is 340 m/s, what is the appar...
- A particle moves in a circle of radius 10 cm with a constant speed. Its angular displacement after 2 seconds is π radians. What is its linear speed?
- Energy that is produced commercially from coal is called –
- Which of the following principle is used to produce low-temperatures'?
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
