1) what is force? a) it is an push or pull given to an object  b) it is a wedge c) it is the effort applied to an object d) it is a type of energy 2) what type of simple machine is this? a) lever b) wedge c) pulley d) screw e) wheel and axle f) none of the above 3) which type of force is this? a) contact force b) pull c) push d) electrostatic force  4) When is it said to be “work is done”? a) When the object moves to the right side b) When the object moves through the direction were force is applied c) When the object moves to the opposite side of the force d) When the object stops 5) what is friction? a) Friction is a force that moves to the opposite side of the force b) Friction is a type of energy c) Friction is a type of simple machine 6) what Type of simple machine is this? a) wedge b) lever class 2 c) screw d) lever class 1 7) What type of simple machine is this? a) screw b) pulley c) wedge d) lever 8) which class of lever is this? a) lever class 1 b) lever class 2 c) lever class3 9) what is this? a) force b) magnetic force   c) solar energy d) energy 10) what is this? a) pull b) push c) friction d) energy

force,work and energy

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