Velocity Ratio
Trending Questions
- 5:9
- 5:7
- 9:5
- 9:7
- less than
- equal to
- greater than
- v1+v22
- 2v1v2v1+v2
- v1v2v1+v2
- √v1v2
What is the magnitude of force needed to produce an acceleration of 4 m/s2 in a ball of 6 kg?
30N
24N
20N
26N
Define the term velocity ratio. State its unit.
The rate of change of motion is called?
![Application of derivatives JEE Questions Q654](https://cdn1.byjus.com/wp-content/uploads/2021/01/application-of-derivatives-jee-questions-q654.png)
and are two roads enclosing an angle of and start from at the same time. travels along with a speed and travels along with a speed . The rate at which the shortest distance between and is increasing after is
The ratio of the load to the effort is______.
What is the expression for Velocity Ratio (VR), if the velocity of effort and the velocity of the load are denoted as V1 and V2 respectively?
(V1 + V2) / V2
V1 / (V1 + V2)
V1 / V2
V2 / V1
A machine works as a (i) force multiplier, (ii) speed multiplier. In each case state whether the velocity ratio than or less than 1.
![591589_77642d760251475290d0b0850d5a512f.png](https://search-static.byjusweb.com/question-images/toppr_invalid/questions/591589_77642d760251475290d0b0850d5a512f.png)
- 1:1
- 1:2
- 2:1
- Can't be calculated
A student at the top of a building of height throws one ball upward with an initial velocity and then throws a second ball downwards with the same initial speed. How were the final velocities of the ball to compare when they reach the ground?
- V1 + V2 = 0
- V1V2
- V2V1
- V1 = V2
The distance traveled by a body falling freely from rest in 2nd, 3rd and 5th second of its motion is in the ratio of
7:5:3
3:5:9
5:3:7
5:7:3
What is the unit of the velocity ratio?
- Unitless
- Square metre
- Newton metre
- Metre per second
- 10
- 22
- 20
- 260
- 0.025 ms−2
- 0.25 ms−2
- 0.5 ms−2
- 500 ms−2
- Velocity ratio > Mechanical advantage
- All
- Velocity Ratio < mechanical advantage
- Velocity Ratio = Mechanical advantage
What is the unit of Velocity Ratio?
Unitless
m/s
m/s^2
N-m/s
Now Tony settles upon a Carnot engine. Calculate the efficiency of the Carnot engine if the temperature it operates between are 350 K and 250 K.
2/7
3/7
5/7
4/7
- Gives loss of speed
- Either A or B
- Acts as a force multiplier
- A and B
- Velocity ratio > Mechanical advantage
- Velocity ratio < mechanical advantage
- Velocity ratio = Mechanical advantage
- All
- False
- True
The required Velocity Ratio(V.R) for a machine whose effort distance is 3 times that of load distance is
- less than
- equal to
- greater than
- 3
- 8
- 13
- 18
- 100 N
- 120 N
- 80 N
- 0 N