Year 10 - Objects in Motion

Fill in the blank: "Distance is _________?"

• A vector quantity

• Time divided by total displacement

• Average speed of a trip multiplied by time

• All of the above

Check all of the CORRECT options...

• Speed is a scalar quantity

• Velocity includes magnitude and direction

• Acceleration is a scalar quantity

• Vectors must include direction

• Displacement is a scalar quantity

Which statement is definitely true about the graph showing a student's movement?

• The student does not stop moving at all

• During the 20 second duration the person is stationary for a total of 5 seconds

• The student is furthest away from her starting position after 19 seconds

• The student's greatest speed is between the 12 and 14 second mark

• The student ends up 17 metres away from their starting position

Which conversion could the expression  $67\ \times\ 1000\ \times60$ calculate?

• 67 mi/hr to km/s 

• 67 km/hr to km/second

• 67 m/min to km/hr

• 67 km/s to m/min

Check ALL answers which demonstrate an accelerating body.

• A cat that is standing still

• A person starting and finishing a running race from a standing start.

• A dog chasing a robotic bunny at the same speed around a track

• A car doing doughnuts

• A jet fighter flying at 442 m/s

An object with zero acceleration must be absolutely still.

• True

• False

How can an object's instantaneous acceleration be obtained using an "Velocity vs Time" graph?

• Finding the area under the graph at that instant in time

• Calculating the gradient of the graph at that instant in time

• Calculating the area under the entire curve

• There is no way to obtain this information

Which of Newton's laws is known as the law of inertia?

• The first law

• The second law

• The third law

• There is no "law of inertia" - April fool!

Which vector diagram demonstrates a body starting at S, and ending at F?

• 
• 
• 
• 

According to Newton's second law, which of these options is given by calculating the product of a body's mass and its acceleration (F = ma)?

• The body's momentum

• The body's weight force

• The time it takes for the body to come to rest

• The body's instantaneous velocity