1) .....................are forces that require direct physical contact between two objects a) Contact force b) Non-Contact 2) Examples of contact forces include a) Gravitational Force & magnetic force b) friction & air resistance 3) Examples of non-contact forces include a) friction & air resistance b) Gravitational Force & magnetic force 4) Force diagram is ........................ a) showing the only forces acting on the object. b) showing the forces acting on the object and also tells the direction 5) ..................... is the amount of matter in it a) The mass of a body b) The weight of a body 6) ............................. is the measurement of gravitational force acting on it. a) The mass of a body b) the weight of a body 7) Mass is a property of matter and is measured in a) Newton b) kilograms 8) A 15-gram bird is ......................, whether measured on the Earth, the Moon, or Mars. a) A 15-gram bird is 15 grams, whether measured on the Earth, the Moon, or Mars. b) A 15-gram bird is 15 x10 grams (150), whether measured on the Earth, the Moon, or Mars. 9) The unit of weight can be measured in kg⋅m/s2 (kilograms times metres per second squared) which is equal to a a) newton (N). b) kilogram 10) Force diagram has line that shows .............. and arrow represents .............. a) Magnitude ,direction b) Direction, Magnitude

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