1) what is a force? a) A push or pull b) A type of energy c) A form of matter d) A type of motion 2) Which of the following is a contact force? a) Gravitational force b) Frictional force c) Magnetic force d) Electrostatic force 3) What is the SI unit of force? a) Joule b) Meter c) Watt d) Newton 4) A force can change which of the following? a) Shape of an object b) Direction of motion c) Speed of an object d) All of these 5) Which force helps us to walk without slipping? a) Gravitational force b) Friction c) Muscular force d) Magnetic force 6) What causes a book to stay on a table without moving? a) Unbalanced force b) Magnetic forces c) Balanced force d) Gravity 7) What happens when an unbalanced force acts on a body? a) Its motion changes b) It remains still c) It moves with constant speed d) It become weightless

Force

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