1) Which is the correct equation? a) speed = time x distance b) speed = Distance / time c) speed = time / distance 2) Which is the correct unit for speed (SI unit)? a) mph b) m/s c) m/s² d) km/h 3) What would be the speed of a car that travelled 1000m in 25 seconds a) 4 m/s b) 40 m/s c) 400 m/s 4) In the equation a = (v - u) / t what does the u stand for? a) initial velocity b) final velocity c) acceleration d) time 5) What is the correct unit for acceleration? a) m/s b) m/s² c) m/s³ 6) What is the unit of force? a) n b) N c) m/s d) km 7) In F = m x a , what is m? a) metres b) mass c) force 8) If a car has a mass of 1000kg and is accelerating at 30m/s² what is the force? a) 300N b) 3000N c) 30,000N d) 300,000N 9) Velocity and speed are the same thing a) True b) False 10) If the resultant force on an object is 0 a) the object will speed up b) the object will slow down c) the object will be at rest or at a constant speed

p2

от Анонимен
Печат
За вграждане

Табло

Визуален стил

Опции

Шаблон за превключване

Възстановяване на авто-записаната: ?