initial velocity, u, in metres Describe why objects What does uniform motion per second, m/s near the Earth’s mean? surface fall. acceleration, a, in metres per In what situations would I use second squared, m/s2 Describe how the v2 u2 = 2 a s rather than ? – forces acting on distance, s, in metres, m How does the a parachute skydiver change falls at depend on the size of Near the Earth’s surface any throughout a sky dive the parachute? object falling freely under from jumping out of – gravity has an acceleration of How does the weight on a the plane to landing on about 9.8 m/s2 parachute affect how quickly it the floor. An object falling through a fluid initially accelerates due WS 1.2, MS 3c to the force of gravity. Appply this equation, which is Eventually the resultant force given on the equation sheet. will be zero and the object. 4.7.1.5 Newton’s First Law: Newton’s First 0.5 Newton’s First Law seems to Do bigger engines in Law. say that if I throw an object it vehicles mean a higher If the resultant force acting will keep moving in a straight top speed? on an object is zero and: Describe the effect of line and at a steady speed but having no resultant Find out if there is a the object is stationary, it doesn’t. Why? force on: correlation between the the object remains size of a vehicles engine stationary a stationary object and its top speed? Look
initial velocity, u, in metres per second, m/s acceleration, a, in metres per second squared, m/s2 distance, s, in metres, m Near the Earth’s surface any object falling freely under gravity has an acceleration of about 9.8 m/s2 An object falling through a fluid initially accelerates due to the force of gravity. Eventually the resultant force will be zero and the object. Describe why objects near the Earth’s surface fall. Describe how the forces acting on skydiver change throughout a sky dive – from jumping out of the plane to landing on the floor. What does uniform motion mean? In what situations would I use v2 – u2 = 2 a s rather than ? How does the a parachute falls at depend on the size of the parachute? How does the weight on a parachute affect how quickly it WS 1.2, MS 3c Appply this equation, which is given on the equation sheet. 4.7.1.5 Newton’s First Law: If the resultant force acting on an object is zero and: the object is stationary, the object remains stationary Newton’s First Law. Describe the effect of having no resultant force on: a stationary object 0.5 Newton’s First Law seems to say that if I throw an object it will keep moving in a straight line and at a steady speed but it doesn’t. Why? Do bigger engines in vehicles mean a higher top speed? Find out if there is a correlation between the size of a vehicles engine and its top speed? Look