Changes in Force and Motion
Quiz by Nussbaum, Marjorie (DCPS)
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34 questions
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- Q1What is direction?a set of lines showing where an object will travel or where it has already traveleda straight path that an object can move alonga line that indicates positiona picture of an object's motion30s
- Q2What is a push or pull that changes the motion of an object?speedforcemotionvelocity30s
- Q3What is mass?a measure of an object's weighta measure of how much matter is present in a substancea measure of the amount of any substancea measure of the gravitational pull on an object30s
- Q4What is the correct term for the change in an object's position with respect to time and in comparison with the position of other objects used as reference points?accelerationspeedmotionvelocity30s
- Q5The sum of all the forces acting on an object would be itsmassweightnet forcevolume30s
- Q6In what unit is force measured?NewtonsGravitational pullKilogramsPounds30s
- Q7The best definition for the term reference frame isa system that uses frames to outline background objects in order to establish position or to measure movement of a point in spacea system that uses coordinates or background objects to establish the size and movement of a point in spacea system that uses coordinates or background objects to establish position or to measure movement of a point in spacea system that measures movement of a point in space by comparing that point to the Sun30s
- Q8A change of motion caused by an unbalanced force acting on an object--this change may include increasing speed, decreasing speed and changes in directionfrictionaccelerationmovementvelocity30s
- Q9In order to create motion, what must be present?balanced forcesvelocityspeedunbalanced forces30s
- Q10When an object is not moving, its potential energy isconstantly changingat its greatestat its leastfixed30s
- Q11When an object is in motion, potential energy isdiminishedbeing converted to forceincreasedchanged into kinetic energy30s
- Q12Forces result in a change inboth the speed and the direction of motionthe momentum of the motionthe speed of motion.the direction of motion30s
- Q13The term speed refers tothe rate of acceleration of an objectthe rate of motion of an objectthe rate of velocity of an objectthe rate of momentum of an object30s
- Q14Speeding up and slowing down are changes in motion caused by force. Any change in the speed or direction of a motion is calledkinetic energymomentumvelocityacceleration30s
- Q15The relationship between force, mass, and acceleration can be expressed by the formulaforce [in kilograms (kg)] = mass [in grams (g)] x acceleration [in meters per second per second (m/s/s)]force [in Newtons (N)] = mass [in grams (g)] x acceleration [in meters per second per second (m/s/s)]force [in Newtons (N)] = mass [in kilograms (kg)] x acceleration [in meters per second per second (m/s/s)]force [in Newtons (N)] = mass [in kilograms (kg)] x acceleration [in meters per second (m/s)]30s