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Forces and their interactions GapFill

Target Level
4-5
Running Total
0
0%
Attempt
1 of 3

You must fill all the gaps before clicking ‘Check Answers!’

All measurements can be categorised as either  holorsscalarsvectorstensors (which have size but not direction) or  scalarsholorsvectorstensors (which have both size and direction), which include forces.

Distance is how far an object moves, and does not take into account direction.  DisplacementMomentumVelocityAcceleration is how far away from a starting position an object has travelled, and in which direction; it is a vector. Similarly,  accelerationmomentumvelocitydisplacement is the speed of an object, taking into account the direction of travel; this is also a vector.  DisplacementVelocityAccelerationMomentum is another vector, and describes the rate at which an object speeds up or slows down. Newton's laws describe how forces affect motion.

Newton's first law states that if an object has no forces acting on it, it will  be stationaryfall to Earthremain at the same velocityspeed up. Newton's second law can be stated by the equation  force = mass × velocityforce = mass × accelerationforce = mass ÷ velocityforce = mass ÷ acceleration.

Newton's third law states that when two objects interact,  one exerts a larger force on the otherthey each exert opposite and equal forces on the othera non-contact force is producedthey exert forces in the same direction.  DisplacementForceInertiaVelocity is an object's resistance to acceleration.

Gravity is the attraction of objects to each other; it's responsible for a wide variety of effects, from making sure you stay on the ground to controlling the orbits of planets around the Sun.  KilogramForceMassWeight is the name given to the gravitational attraction between an object and a planet (usually Earth), which acts from a point on an object known as its  centre of weightcentre of kilogramcentre of masscentre of force, and can be measured using a device called   a massmetera weightmetera newtonmetera kilogrammeter.

This is your 1st attempt! You get 3 marks for each one you get right. Good luck!

Pass Mark
72%