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Ch 4 Motion
Ch 5 Forces
Ch 6 Newtons
laws
Ch 7 Energy
Ch 8 Phase
changes
10 10 10 10 10
20 20 20 20 20
30 30 30 30 30
40 40 40 40 40
50 50 50 50 50
Question 1 - 10
• T he speed you read on a speedometer
Answer 1 – 10
• Instantaneous speed
Question 1 - 20
• A cart is rolling down a ramp, when the ramp angle is increased to make the ramp steeper, the cart will…
Answer 1 – 20
• Have greater acceleration
Question 1 - 30• A snowboarder begins his run from rest (point 1) on top of a
hill. He moves straight down the slope until he reaches the bottom of the hill (point 4) and the ground levels off. The snowboarder continues to move horizontally across the level
ground and eventually comes to a stop (point 5). • Which graph best represents the speed of the snowboarder
as he moves from point 2 to point 3?
Answer 1 – 30
Question 1 - 40
• The speed of the bus from point B to C is
Answer 1 – 40
• Negative acceleration • Decelerating
Question 1 - 50
• Bob runs the 100 m dash during a track meets and wins. He completed the 100.0 m sprint in 11.2 seconds. Bob’s velocity during the race
Answer 1 – 50
• 8.92 m/s towards the finish line
Question 2 - 10
• If an elephant has a mass of 2,000 kg, her weight on Earth is
Answer 2 – 10
• 19,600 N
Question 2 - 20
•The length of the arrow indicates the strength of the force.
Answer 2 – 20
• vector
Question 2 - 30
• A force that resists the motion of an object moving across a surface
Answer 2 – 30
• Sliding friction
Question 2 - 40
• A box resting on a table without moving
Answer 2 – 40
• Is in equilibrium
Question 2 - 50
• Shows the normal force acting on the box
Answer 2 – 50
• D
Question 3 - 10
• Changes in motion come from:
Answer 3 – 10
• Unbalanced forces
Question 3 - 20
• The SI Unit for force
Answer 3 – 20
• Newton
Question 3 - 30
• You stand on a skateboard and push off the ground with one of your feet. The force applied by your foot to the ground compare to the force applied by the ground to your foot
Answer 3 – 30
• Are equal
Question 3 - 40
• Spin a raw egg on the table, stop it with your hand, and remove your hand quickly. The egg will begin to spin again with no help at all!
Answer 3 – 40
• Newton’s first law
Question 3 - 50
• When comparing the inertia of two objects consider this only .
Answer 3 – 50
• Mass
Question 4 - 10
• Natalie lifts a 15-kg rock from the ground onto a 1.5 meter high wall. The amount of potential energy she has given the rock
Answer 4 – 10
• 220 Joules
Question 4 - 20
• If you do 500 joules of work using a force of 50 newtons, over what distance was the work accomplished?
Answer 4 – 20
• 10 m
Question 4 - 30
• A marble rolls along the track below with no friction. The sequence of positions on the track listed in order from the lowest kinetic energy to the highest kinetic energy is:
Answer 4 – 30
• 1 5 4 2 3 6
Question 4 - 40
• At what location does the ball have the least gravitational potential energy?
Answer 4 – 40
• C
Question 4 - 50
• The rollercoaster on a track transfers a lot of energy to heat and sound energy but the amount never changes.
Answer 4 – 50
• The law of conservation of energy
Question 5 - 10• The graph below was drawn using data recorded as water at -
20°C was heated to 100°C. On the graph, letters A, B, C, and D
label arrows pointing to various sections of the graph.
• the section of the graph representing the time during which only ice is present is:
Answer 5 – 10
• A
Question 5 - 20
• phase of matter are atoms free to move but don’t have enough energy to completely break bonds?
Answer 5 – 20
• liquid
Question 5 - 30• A gas at a temperature of 160°C cools until it becomes a solid at a
temperature of 20°C. The diagram below represents a graph of the temperature vs. time data for these changes.
• the interval from time 2 minutes to 10 minutes, the substance is
Answer 5 – 30
• Changing from a gas to a liquid
Question 5 - 40
• At 120 °C and 80 °C is a phase change and this is known because
Answer 5 – 40
• There is no temperature change • Graph line is horizontal
Question 5 - 50
• The solid phase of matter are molecules or atoms most restricted in their ability to move making them more __________ than liquids and gases.
Answer 5 – 50
• dense