Answer
Step by step text solution for Write the work done in each of the following cases as zero positive or negative. (a)Work done by centripetal force in circular motion. (b)Work done by friction. (c)Work done by gravitational force on a freely falling object. (d)Work done by the applied force in lifting an object. by PHYSICS experts to help you in doubts & scoring excellent marks in Class 11 exams.
|
Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
Knowledge Check
Similar Questions
Explore conceptually related problems
MAXIMUM PUBLICATION-SAY-2017 QUESTION PAPER-EXERCISE
- A body having an initial velocity V0 has an acceleration a. Using velo...
06:29
|
- A boy throws a ball of mass 200g with a velocity 20ms^-1 at an angle o...
02:43
|
- Write the work done in each of the following cases as zero positive or...
05:14
|
- Derive an expression for the escape velocity of an object from the sur...
04:19
|
- The terminal velocity of a copper ball of radius 2mm falling through a...
02:11
|
- Free fall is a uniformly accelerated motion. Draw the velocity time gr...
04:07
|
- Define uniform acceleration.
03:00
|
- When a shot is fired from a gun,the gun moves in the backward directio...
02:29
|
- A shell of mass 0.020 kg is fired by a gun of mass 100kg. If the muzzl...
02:43
|
- Acceleration due to gravity decreases with depth Prove the above state...
06:14
|
- Acceleration due to gravity decreases with depth Using the equation, s...
04:22
|
- A hydraulic lift is designed to lift a maximum, mass of 3000 kg and a...
02:38
|
- When 0.15 kg of ice at (deg0C) is mixed with0.30 kg of water at (deg50...
05:48
|
- The accuracy in measurement depends on the limit or the resolution of ...
03:26
|
- The accuracy in measurement depends on the limit or the resolution of ...
04:10
|
- A stone tied to the end of a string 80 cm long is whirled in a horizon...
04:00
|
- A stone tied to the end of a string 80 cm long is whirled in a horizon...
02:46
|
- If barA is perpendicular to bar B, what is the value of (barA).(barB)?
01:46
|
- Find the angle between the force(bar F=(3hati+4hatj+5hatk)N and displa...
04:52
|
- If in the case of a carnot's engine, T1=100C, T2=0C and Q1= 4200J, fin...
02:35
|