??? = m You throw a 0.5 kg ball with a force of 15 N. What is the ball’s acceleration? Given Equation Solve 0.5 kg = m 15 N = F ?? = a A 15 kg ball accelerates at 20 m/s2 what force was exerted on the ball? Equation 15 kg = m 20 m/s2 = a ?? =F How much force is required to accelerate a 2 kg rock at 3 m/s2? Given Equation ?? = F 2 kg = m 3 m/s2 = a A horse ran 500 meters down the hill in 50 seconds. What is the velocity of the horse? Given Equation Solve 500m = d 50 s= t ?? = v Sally drove at a speed of 50 km/hr. south for 2 hours. How far did she travel? Equation Solve s = 50 km/hr t= 2 hours d=?? A walked a 5 kilometer trail in 65 minutes. What was his speed? Given Equation Solve 5km = d 65 min = time ?? = speed Graphing Motion A horizontal line on a distance-time graph means the object is standing still moving forwards An upward slope on a distance-time graph means the object is A downward slope on a distance-time graph means the object is moving backwards not accelerating (no change in motion) A horizontal line on a speed-time graph shows that an object is slowing down On a speed-time graph, a line with a negative slope indicates that the object is On a speed-time graph, a line with a positive slope indicates that the object is speeding up. On Graph 1 calculate the following ( SHOW YOUR WORK with UNITS)
??? = m You throw a 0.5 kg ball with a force of 15 N. What is the ball’s acceleration? Given 0.5 kg = m 15 N = F ?? = a Equation Solve A 15 kg ball accelerates at 20 m/s2 what force was exerted on the ball? 15 kg = m 20 m/s2 = a ?? =F Equation How much force is required to accelerate a 2 kg rock at 3 m/s2? Given ?? = F 2 kg = m 3 m/s2 = a Equation A horse ran 500 meters down the hill in 50 seconds. What is the velocity of the horse? Given 500m = d 50 s= t ?? = v Equation Solve Sally drove at a speed of 50 km/hr. south for 2 hours. How far did she travel? s = 50 km/hr t= 2 hours d=?? Equation Solve A walked a 5 kilometer trail in 65 minutes. What was his speed? Given 5km = d 65 min = time ?? = speed Equation Solve Graphing Motion A horizontal line on a distance-time graph means the object is standing still An upward slope on a distance-time graph means the object is moving forwards A downward slope on a distance-time graph means the object is moving backwards A horizontal line on a speed-time graph shows that an object is not accelerating (no change in motion) On a speed-time graph, a line with a negative slope indicates that the object is slowing down On a speed-time graph, a line with a positive slope indicates that the object is speeding up. On Graph 1 calculate the following ( SHOW YOUR WORK with UNITS)