Write the word or phrase that best completes each statement or answers the quest
ID: 1780119 • Letter: W
Question
Write the word or phrase that best completes each statement or answers the question. 17) SHORT ANSWER. 17) A tool has a mass of 8.1 kg. The same tool in outer space will have a mass of kg. 18) An object of mass I kg is pushed across a horizontal table by a force of 1N. The observed acceleration is 0.7 m/s2. The force of friction opposing the motion is 18 N. 19) The amount of inertia a body has can be measured by finding its 19) 20) The net force acting on a body gives the direction of the of the body. 20)Explanation / Answer
17) zero ( In deep space force of gravity is zero, that is why weight will be zero)
18) F_horizontal - F_friction = ma
1 N - F_friction = 1kg x 0.7 m/s2
F_friction =0.3 N ANSWER
19) MASS (mass is the measure of inertia)
20) acceleration (direction of net force gives direction direction of acceleration of a body)
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