The starter and exit quiz of the lesson “Conservation of momentum”, from the unit “Forces make things change” (Year 11 Science) by Oak National Academy.
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Oak National Academy
12 questions
Which of the following terms means the highest velocity of an object falling through a fluid?
Which of the following will reduce the total stopping distance of a vehicle?
What size resultant force will cause an object of mass 6.0 kg to accelerate at 20 m/s^2?
Which of the following relationships can be used to find the acceleration a of an object with mass m when there is a resultant force F acting on it?
A scooter and rider have a combined mass of 150 kg.Calculate their acceleration when a resultant force of 450 N acts on them.
A stone of mass 0.5 kg is falling through the air. It has a weight of 5 N and a drag force of 4 N acting upwards on it.Calculate the acceleration of the stone.You do not need to include the unit.
Match the following key terms to their definition.
Starting with the smallest momentum, sort the following objects into order of increasing momentum.
Which of the following is always correct for a closed system of objects that interact with each other?
A toy aeroplane of mass 1.5 kg has a momentum of 30 kg m/s.Calculate the velocity of the aeroplane.
Two stationary dynamics trolleys are separated by an explosion. Trolley A (mass = 1.5 kg) travels at 3.0 m/s after the explosion. Calculate the speed of trolley B (mass = 0.5 kg) after the explosion.
A van (mass = 1600 kg) travelling at 5.0 m/s collides with a stationary car (mass = 900 kg) and they join together.Calculate the velocity at which they move off after the collision.
