MP TET · Mathematics and Science (Varg-2)
Force, motion, work, energy and Newton's laws (basic).
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Q1 · Force, Motion and Energy · EASY
A student pushes a wooden box across the floor with a force of 50 N. The box moves 4 metres in the direction of the force. How much work is done by the student on the box?
Q2 · Force, Motion and Energy · MEDIUM
A bus moving on a straight road suddenly applies brakes. The passengers in the bus jerk forward. Which law of motion explains this phenomenon?
Q3 · Force, Motion and Energy · MEDIUM
A force of 20 N acts on a body of mass 5 kg initially at rest. What will be the acceleration produced in the body?
Q4 · Force, Motion and Energy · HARD
A boy lifts a bag of wheat weighing 20 kg from the ground to a height of 2.5 metres. If the acceleration due to gravity is 10 m/s², calculate the potential energy gained by the bag.
Q5 · Force, Motion and Energy · MEDIUM
A cyclist moving at 5 m/s applies brakes and comes to rest in 10 seconds. What is the magnitude of retardation produced by the brakes?