Work Energy Theorem
Q. A block of mass 2 kg is pushed along a horizontal surface with a force of 10 N. If the block moves 5 m, what is the work done by the force?
Q. A car of mass 1000 kg accelerates from rest to a speed of 20 m/s. What is the work done on the car?
Q. A force of 15 N is applied to move an object 3 m at an angle of 60 degrees to the horizontal. What is the work done by the force?
Q. A force of 15 N is applied to move an object 4 m in the direction of the force. What is the work done?
Q. A force of 25 N is applied at an angle of 30 degrees to the horizontal while moving an object 10 m. What is the work done?
Q. A force of 25 N is applied at an angle of 60 degrees to the horizontal while moving an object 3 m. What is the work done?
Q. A particle moves in a straight line under the influence of a constant force of 12 N. If the particle moves 3 m, what is the work done by the force?
Q. A particle moves in a straight line under the influence of a constant force of 3 N. If it moves 6 m, what is the work done by the force?
Q. A particle moves in a straight line under the influence of a constant force. If the initial kinetic energy is 100 J and the work done by the force is 50 J, what is the final kinetic energy?
Q. A spring with a spring constant of 200 N/m is compressed by 0.1 m. What is the work done in compressing the spring?
Q. A spring with a spring constant of 200 N/m is compressed by 0.5 m. What is the work done in compressing the spring?
Q. An object is lifted vertically 3 m against gravity. If the mass of the object is 4 kg, what is the work done against gravity? (g = 9.8 m/s²)
Q. If a 10 kg object is dropped from a height of 5 m, what is the potential energy at that height?
Q. If a 3 kg object is moving with a speed of 4 m/s and comes to a stop, what is the work done by the friction force?
Q. If a 3 kg object is moving with a speed of 4 m/s and comes to a stop, what is the work done by friction?
Q. If a 3 kg object is moving with a speed of 4 m/s and comes to a stop, what is the work done by the friction?
Q. If a 3 kg object is moving with a speed of 4 m/s, what is the total mechanical energy if it is at a height of 2 m?
Q. If a 5 kg object is lifted to a height of 10 m, what is the work done against gravity?
Q. If a 5 kg object is lifted to a height of 10 m, what is the work done against gravity? (g = 9.8 m/s²)
Q. If a force of 12 N is applied at an angle of 30 degrees to the horizontal while moving an object 3 m, what is the work done by the force?
Q. If a force of 15 N acts on an object and moves it 4 m in the direction of the force, what is the work done?
Q. If a force of 5 N acts on an object and moves it 4 m in the direction of the force, what is the work done?
