1) What is the formula for work in physics? a) b) c) d) 2) What is the SI unit of work? a) Watt b) Newton c) Joule d) Pascal 3) Work is done when… a) Force is applied but no movement occurs b) An object moves in the direction of force c) Temperature changes d) Mass increases 4) If displacement is zero, work equals… a) Positive b) Negative c) Maximum d) Zero 5) What does the angle α represent in the work formula? a) Force direction b) Angle between force and displacement c) Angle of acceleration d) Angle of mass 6) Work is positive when… a) Force is opposite to motion b) Force is perpendicular c) Force and motion are in same direction d) No force is applied 7) Which quantity is needed to calculate work? a) Velocity b) Force c) Mass d) Pressure 8) If force is perpendicular to motion, work is… a) Positive b) Negative c) Zero d) Double 9) A larger force does more work if… a) Displacement is smaller b) Displacement is zero c) Displacement is larger d) Temperature increases 10) Which situation shows negative work? a) Pushing a box forward b) Lifting a book upward c) Pulling a cart forward d) Friction acting opposite to motion

Work in physics

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