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- 1. Multiple ChoiceThe SI unit of energy is _________________?Newton metre (Nm)Newton per metre (N/m)Joule (J)Joule per metre (J/m)
- 2. Multiple Choice1 When a ball accelerates down a slope, it _________________gains both kinetic energy and potential energygains kinetic energy but loses potential energygains potential energy but loses kinetic energyneither gains nor loses both kinetic energy and potential energy
- 3. Multiple ChoiceA man of weight 900 N walks up a hill of height 10 m. What is the total work done?0 J90 J900 J9000 J
- 4. Multiple ChoiceA boy lifted his school bag of mass 3 kg from the floor to his lap through a height of 0.5 m. What is the gravitational potential energy gained by the bag?1.5 J15 J150 J1500 J
- 5. Multiple ChoiceWhat is mass?It is the amount of matter in a bodyIt is the amount of force in a bodyit is the gravitational force acting on a bodyit is the kinetic force acting on a body
- 6. Multiple ChoiceWhat is weight?It is the amount of matter in a bodyIt is the amount of force in a bodyit is the gravitational force acting on a bodyit is the kinetic force acting on a body
- 7. Multiple ChoiceWhat happen to the gravitational force on a body when u move away from earth's surface?it becomes strongerit becomes weakerit remains the sameit become stronger first then it weakens
- 8. Multiple ChoiceWhich of the following about mass and weight is true?weight is independent of gravity while mass is dependent of gravitymass is independent of gravity while weight is dependent of gravityBoth are independent of gravityBoth are dependent of gravity
- 9. Multiple ChoiceWhat is the formula for weight?W = m/gW = g/mW = mgW = mg2
- 10. Multiple ChoiceWhat is the formula for K.E.?(1/2)mv(1/2)m2v(1/2)mv2mv2
- 11. Multiple ChoiceWhat is the formula for G.P.E.?mghmg/hm2ghmgh2
- 12. Multiple Choice
What is the work done by the man?0 J65 J6500 J0.0065 J - Answer choicesTagsAnswer choicesTags