Circular Motion
Quiz by Abdulraheem Mohammad
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21 questions
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- Q1What force causes an object to move in circular motion?GravityFrictionMagnetic forceCentripetal force30s
- Q2What is the direction of the centripetal force in circular motion?Tangential to the circleAway from the center of the circlePerpendicular to the circleTowards the center of the circle30s
- Q3What is the formula for calculating centripetal force?F = (mv^2)/rF = kdF = maF = mg30s
- Q4What is the unit of measurement for centripetal force?SecondKilogramNewtonMeter30s
- Q5What is the difference between uniform circular motion and non-uniform circular motion?Uniform circular motion is when the object moves in a straight line, while non-uniform circular motion is when the object moves in a curved pathUniform circular motion is when the object moves clockwise, while non-uniform circular motion is when the object moves counterclockwiseUniform circular motion is when there is no centripetal force acting on the object, while non-uniform circular motion is when there is a centripetal force acting on the objectUniform circular motion is when the object moves at a constant speed, while non-uniform circular motion is when the object's speed changes30s
- Q6What is the difference between centripetal force and centrifugal force?Centripetal force is the force that keeps an object moving in circular motion, while centrifugal force is the force that appears to push the object away from the center of the circleCentripetal force and centrifugal force are different terms for the same forceCentripetal force is the force that appears to push an object away from the center of the circle, while centrifugal force is the force that keeps the object moving in circular motionCentripetal force and centrifugal force do not exist in circular motion30s
- Q7What happens to the centripetal force required to keep an object moving in circular motion if the speed of the object increases?The centripetal force decreasesThe centripetal force becomes negativeThe centripetal force increasesThe centripetal force remains constant30s
- Q8What is centrifugal motion?A force that changes the direction of objects in motion.A force that doesn't affect objects in motion.A force that directs objects away from the center of rotation.A force that directs objects towards the center of rotation.30s
- Q9Which of the following best describes centrifugal motion?A force that directs objects away from the center of rotation.A force that changes the direction of objects in motion.A force that directs objects towards the center of rotation.A force that doesn't affect objects in motion.30s
- Q10What is the unit of measurement for power?VoltAmpereWattOhm30s
- Q11What is the formula for calculating power in an electric circuit?Power = Voltage / CurrentPower = Voltage - CurrentPower = Voltage x CurrentPower = Voltage + Current30s
- Q12What is the difference between power and energy?Energy is used to create power.Power and energy are the same thing.Power is the rate at which energy is transferred or used, while energy is the capacity to do work.Power is used to create energy.30s
- Q13What is the power output of an engine that does 1000 J of work in 10 seconds?100 Watts1 Watt10 Watts1000 Watts30s
- Q14What is the unit of power used for engines and motors?HorsepowerGigawattKilowatt-hourVolt-ampere reactive30s
- Q15What is kinetic energy?The energy possessed by a moving objectThe energy of an object at restThe energy stored in a batteryThe energy released by a chemical reaction30s