Forces Practice CalculationsGCSE Physics QUESTIONS. REVISION PAPER GRADED A+

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1. Calculate the weight of an object which has a mass of 2900 g. 2. Calculate the work done by a force of 4300 N in moving an object 540 m. 3. Calculate the spring constant of a spring which has ... an extension of 11 cm when a force of 25 N is applied. 4. Calculate the average speed of an object that moves 160 m in 28 s then 420 m in 69 s. 5. Calculate the change in pressure when an object moves from a depth of 6 m to a depth of 35 m. 6. Calculate the acceleration of an object that goes from 11 m/s to 77 m/s in 10 s. 7. Calculate the acceleration of an object that goes from 10 m/s to 20 m/s while travelling a distance of 79 m. 8. Calculate the inertial mass of an object that accelerates at 8.1 m/s2 when a resultant force of 91 N is applied. 9. Calculate the momentum of an object with a mass of 450 kg travelling at a velocity of 16 m/s. 10. Calculate the resultant force on a 90 kg object that accelerates from 15 m/s to 50 m/s in 2.4 s. 11. Calculate the force applied to a round surface with a diameter of 46 cm when it is experiencing a pressure of 240 kPa. 12. Calculate the turning moment due to a force of 5.4 N applied 40 cm from a pivot.13. Calculate the force, F, acting on the balanced system below. 14. Calculate the distance, d, required to balance the system below. 15. The objects below collide and move off as a single object. Calculate the velocity after the collision. 16. Use the graph to determine (a) the speed in each of the two sections and (b) the average speed for the whole journey. 17. Use the graph to determine the (a) initial acceleration and (b) the distance travelled. More practice sheets, answers and other revision resources can be found at astonphysics.weebly.com distance (m) time (s) velocity (m/s) time (s) 18 N F 34 cm 14 cm 11 N 39 cm d 26 N 15 m/s 8 m/s 1000 kg 1700 kg 45 31 40 80 15 15 20GCSE Physics Forces Practice Calculations Sheet 2 Give all answers in standard units to 2 significant figures. Gravitational field strength, g = 9.8 N/kg. Density of water, ρ = 1000 kg/m3. 1. Calculate the weight of an object which has a mass of 4600 g. 2. Calculate the work done by a force of 3800 N in moving an object 120 m. 3. Calculate the spring constant of a spring which has an extension of 8 cm when a force of 10 N is applied. 4. Calculate the average speed of an object that moves 190 m in 11 s then 470 m in 54 s. 5. Calculate the change in pressure when an object moves from a depth of 7 m to a depth of 29 m. 6. Calculate the acceleration of an object that goes from 7 m/s to 56 m/s in 6 s. 7. Calculate the acceleration of an object that goes from 19 m/s to 55 m/s while travelling a distance of 83 m. 8. Calculate the inertial mass of an object that accelerates at 5.7 m/s2 when a resultant force of 96 N is applied. 9. Calculate the momentum of an object with a mass of 560 kg travelling at a velocity of 12 m/s. 10. Calculate the resultant force on a 180 kg object that accelerates from 7 m/s to 58 m/s in 3.7 s. 11. Calculate the force applied to a round surface with a diameter of 60 cm when it is experiencing a pressure of 180 kPa. 12. Calculate the turning moment due to a force of 6.7 N applied 31 cm from a pivot.13. Calculate the force, F, acting on the balanced system below. 14. Calculate the distance, d, required to balance the system below. 15. The objects below collide and move off as a single object. Calculate the velocity after the collision. 16. Use the graph to determine (a) the speed in each of the two sections and (b) the average speed for the whole journey. 17. Use the graph to determine the (a) initial acceleration and (b) the distance travelled. More practice sheets, answers and other revision resources can be found at astonphysics.weebly.com distance (m) time (s) velocity (m/s) time (s) 46 N F 31 cm 16 cm 18 N 31 cm d 34 N 23 m/s 16 m/s 1200 kg 1300 kg 48 34 5 40 45 10 15GCSE Physics Forces Practice Calculations Sheet 3 Give all answers in standard units to 2 significant figures. Gravitational field strength, g = 9.8 N/kg. Density of water, ρ = 1000 kg/m3. 1. Calculate the weight of an object which has a mass of 1300 g. 2. Calculate the work done by a force of 4800 N in moving an object 960 m. 3. Calculate the spring constant of a spring which has an extension of 12 cm when a force of 14 N is applied. 4. Calculate the average speed of an object that moves 270 m in 12 s then 470 m in 42 s. 5. Calculate the change in pressure when an object moves from a depth of 16 m to a depth of 44 m. 6. Calculate the acceleration of an object that goes from 10 m/s to 22 m/s in 9 s. 7. Calculate the acceleration of an object that goes from 10 m/s to 20 m/s while travelling a distance of 65 m. 8. Calculate the inertial mass of an object that accelerates at 1.9 m/s2 when a resultant force of 75 N is applied. 9. Calculate the momentum of an object with a mass of 670 kg travelling at a velocity of 10 m/s. 10. Calculate the resultant force on a 990 kg object that accelerates from 11 m/s to 41 m/s in 2.7 s. 11. Calculate the force applied to a round surface with a diameter of 74 cm when it is experiencing a pressure of 260 kPa. 12. Calculate the turning moment due to a force of 3 N applied 50 cm from a pivot. [Show More]

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