Search
Question: A roller coaster starts from rest at a height of 30 m. What is its speed at the lowest poi..
Question: A 5 kg object is lifted to a height of 10 m. What is the work done against gravity?Options..
Question: A car of mass 1000 kg is moving at a speed of 20 m/s. What is its kinetic energy?Options: ..
Question: A pendulum swings from a height of 2 m. What is the speed at the lowest point of the swing..
Question: A block of mass 2 kg is released from a height of 5 m. What is its speed just before it hi..
Question: A car accelerates from rest to a speed of 30 m/s. If the mass of the car is 800 kg, what i..
Question: A 10 kg object is lifted to a height of 2 m. What is the work done against gravity?Options..
Question: A 3 kg object is moving with a velocity of 4 m/s. What is its kinetic energy?Options: 12 J..
Question: If a machine does 500 J of work in 10 seconds, what is its power?Options: 50 W100 W200 W50..
Question: A 2 kg object is dropped from a height of 5 m. What is its potential energy at the top?Opt..
Question: An object is lifted vertically 10 m against gravity. If the mass of the object is 5 kg, wh..
Question: A spring with a spring constant of 200 N/m is compressed by 0.1 m. What is the potential e..
Question: If a force of 5 N is applied at an angle of 60 degrees to the horizontal while moving an o..
Question: A car of mass 1000 kg is moving with a speed of 20 m/s. What is its kinetic energy?Options..
Question: A block of mass 2 kg is pushed along a horizontal surface with a force of 10 N. If the blo..
Question: What is the relationship between the units of work and energy?Options: They are the sameWo..
Question: Which of the following quantities is dimensionless?Options: Reynolds numberForceEnergyPres..
Question: What is the dimensional formula for electric charge?Options: [M^1 L^2 T^-3 I^-1][M^0 L^0 T..
Question: Which of the following is NOT a base unit in the SI system?Options: MeterKilogramSecondLit..
Question: What is the unit of pressure in the SI system?Options: PascalBarTorrAtmosphereCorrect Answ..
Question: If the length of a side of a cube is doubled, how does its volume change?Options: Increase..
Question: Which of the following quantities has the dimension of [M^0 L^0 T^-1]?Options: VelocityAcc..
Question: What is the result of subtracting 5.678 from 10.0, considering significant figures?Options..
Question: How should the number 0.05060 be rounded to three significant figures?Options: 0.0510.0506..
Question: Which of the following numbers has the most significant figures?Options: 0.0078978907.890 ..
Question: What is the result of dividing 8.0 by 2.00, considering significant figures?Options: 4.044..
Question: If a measurement is recorded as 1500 with no decimal point, how many significant figures d..
Question: What is the correct way to express 0.0001234 in scientific notation with significant figur..
Question: When multiplying 3.00 and 2.5, how many significant figures should the answer have?Options..
Question: How many significant figures are in the number 0.00456?Options: 2345Correct Answer: 3Solut..