Major Competitive Exams
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Q. A force of 50 N is applied at a distance of 0.5 m from the pivot at an angle of 60 degrees. What is the torque?
Q. A force of 50 N is applied at an angle of 30 degrees to the lever arm of length 1 m. What is the torque about the pivot?
Q. A force of 50 N is applied at an angle of 30 degrees to the lever arm of length 2 m. What is the torque about the pivot?
Q. A force of 50 N is applied at an angle of 30° to the horizontal. What is the horizontal component of the force? (2020)
Q. A force of 50 N is applied at an angle of 60 degrees to the lever arm of length 1 m. What is the torque about the pivot?
Q. A force of 50 N is applied at an angle of 60 degrees to the lever arm of length 2 m. What is the torque about the pivot?
Q. A force of 50 N is applied at an angle of 60° to the horizontal. What is the horizontal component of the force? (2020)
Q. A force of 50 N is applied to a 25 kg object. What is the acceleration of the object? (2019)
Q. A force of 50 N is applied to a 25 kg object. What is the object's acceleration? (2020)
Q. A force of 50 N is applied to move an object 4 m. How much work is done?
Q. A forced oscillator has a mass of 3 kg and is driven by a force of 12 N at a frequency of 2 Hz. What is the amplitude of the oscillation if the damping coefficient is 0.1 kg/s?
Q. A foundation awards $5000 to be distributed among 4 projects in the ratio 1:2:3:4. How much does the third project receive? (2023)
Q. A fruit seller has 120 apples. He sells 25% of them. How many apples does he have left?
Q. A fruit seller has 120 apples. He sells 30% of them. How many apples does he have left? (2023)
Q. A fruit seller has apples and oranges in the ratio 5:3. If he has 40 apples, how many oranges does he have?
Q. A fruit seller has apples and oranges in the ratio of 5:3. If he has 40 apples, how many oranges does he have?
Q. A gardener has 36 red roses and 48 yellow roses. He wants to plant them in rows with the same number of each type of rose in each row. What is the maximum number of rows he can plant? (2023)
Q. A gardener has 60 red flowers and 90 yellow flowers. What is the largest number of bouquets he can make if each bouquet has the same number of red and yellow flowers? (2023)
Q. A gardener has two types of plants, one type has a height of 3 feet and the other 5 feet. What is the minimum height at which both types can be tied together? (2023)
Q. A gardener has two types of plants, one type requires watering every 4 days and the other every 6 days. If both types are watered together today, in how many days will they be watered together again? (2023)
Q. A gas at 300 K has an RMS speed of 400 m/s. What will be its RMS speed at 600 K?
Q. A gas at 300 K has an RMS speed of 500 m/s. What will be its RMS speed at 600 K?
Q. A gas expands from 2 L to 5 L at a constant pressure of 1 atm. How much work is done by the gas? (2023)
Q. A gas expands from a volume of 2 m³ to 5 m³ at a constant pressure of 100 kPa. What is the work done by the gas? (2022)
Q. A gas expands from volume V1 to V2 at constant pressure P. What is the work done by the gas? (2022)
Q. A gas expands from volume V1 to V2 at constant temperature. If the initial pressure is P1, what is the final pressure P2? (2020)
Q. A gas expands isothermally at 300 K and absorbs 600 J of heat. What is the work done by the gas? (2023)
Q. A gas expands isothermally at 300 K from a volume of 1 m³ to 2 m³. If the pressure of the gas is 100 kPa, what is the work done by the gas? (2020)
Q. A gas expands isothermally at 300 K from a volume of 1 m³ to 2 m³. If the pressure at the initial state is 100 kPa, what is the work done by the gas?
Q. A gas expands isothermally at 300 K from a volume of 1 m³ to 2 m³. If the pressure of the gas is 100 kPa, what is the work done by the gas during expansion? (2019)