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WorksheetsQ3 Benchmark Review
Total questions: 40
Worksheet time: 24mins
According to Newton's 1st Law of Motion objects at rest will (a) and objects moving will (b) and move (c) unless acted on by a/an (d) force.
Slamming on the breaks in your car and your body flying forward.
An apple falling off of a tree.
Running at a cross country event.
(a) causes you to lean left when turning (b) on a roller coaster.
What is the equation that best describes the relationship between force, mass and acceleration? Select all that apply.
f = ma
m = f/a
f = m + a
a = f/m
A 25 kg accelerates at 10 m/s2. What is the net force?
250 N
2.5 N
25 N
15 N
How would you calculate the net force acting on the image to the left?
Find the sum of the forces because the are acting in the different directions
Find the difference between the forces because they are acting in different directions
Find the sum of the forces because the are acting in the same direction
Find the difference between the forces because they are acting in same direction
When a heavy football player and a light one run into each other, the heavy player will exert (a) force because he has (b) than the (c) player.
If you push against the door with a force of 15 N, the force acting on you from the door is
(a) in the (b) direction.
Based on Newton's 3rd Law, when person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves which direction
up
backward
down
forward
If the action force of the cannon shooting the cannon ball accelerates the cannon ball in one direction, the reaction force accelerates the cannon in the same direction.
True
False
An out of control car was driving down the mountain. At the bottom of the hill there is gravel. Why do they put gravel at the bottom of the hill?
The gravel will have less friction than the road so the car will slow down.
The gravel will have more friction than the road so the car will speed up.
The gravel will have more friction than the road and will slow the car down.
The gravel will have less friction than the road so the car will speed up.
Mechanical Energy is the sum of Kinetic and Potential Energy.
True
False
Match each type of energy with the most appropriate example.
Mixing chemicals in pack to make them cold.
chemical energy
A car driving a 65mph
kinetic energy
A popsicle melting in the sun
thermal energy
Lifting a box to place in a truck
potential energy
Which of the following are examples of kinetic energy? (check all that apply)
an arrow flying through the air
a book on a shelf
kicking a soccer ball
chewing gum
sitting at a stop light
If a skateboard and bicycle are pushed at the same speed. The skateboard has (a) energy since it has less (b) .
As the plane slows down during its final decent, which of the following is true?
The kinetic energy of the plane increased because the mass increased.
The kinetic energy of the plane decreased because the velocity decreased.
The kinetic energy of the plane increased because the velocity increased.
The kinetic energy of the plane decreased because the mass decreased.
What is potential energy?
The stored energy of an object due to its position or condition.
The energy that an object has due to its motion.
The energy an object has due to its speed.
The energy an object has due to its volume.
Which of the following is an example of potential energy.
Thermal energy by rubbing hands together
A car driving a 65mph
A sound of a tree hitting the ground
Lifting a box to place in a truck
Which of the following statements is true?
Friction pulls objects towards the centre of the earth
Friction primarily affects the objects that contain iron
Friction slows down or stops objects in motion
Friction does not affect objects in motion
What type of energy best describes the rat trap BEFORE the trigger plate is activated.
electromagnetic energy
kinetic energy
chemical energy
potential energy
What type of energy best describes the rat trap AFTER trigger plate is activated.
electromagnetic energy
kinetic energy
chemical energy
potential energy
When you are holding a book, energy is stored between the book and Earth; this type of energy is called ________ potential energy.
Kinetic Energy
Chemical Energy
Gravitational Potential Energy
Electric Energy
Gravitational potential energy depends on the strength of gravity, ________ and ________ of the object.
height and mass
friction and movement
mass and movement
height and friction
Image the items sitting on your dresser, an iphone with a mass of 200g and a hat with a mass of 50g. Which would have the least gravitational potential energy (GPE)?
The iphone because it has more mass.
Both items have the same amount of energy because they are not moving.
The hat because it has less mass
Both items have the same amount of energy because they are the same distance from the surface of the earth.
A ball is projected into the air. Where is potential energy the greatest?
A bicycle rider travels down the hill, what kind of energy does the bicycle have?
As the rider goes down the hill, there is both potential and kinetic energy.
As the rider goes down the hill, there is kinetic energy.
As the rider goes down the hill, there is no energy at all.
As the rider goes down the hill, there is potential energy.
Complete the following sentence. The ________________ an object moves, the more ____________________ energy it has.
slower ... potential
faster .... kinetic
faster ... potential
slower ... kinetic
Energy cannot be created or destroyed, only transferred defines
Law of conservation of matter
Law of conservation of energy
Law of energy transfer
Law of the universe
Which is an example that demonstrates when kinetic energy of an object changes, energy is transferred to or from the objects in the system?
A pendulum colliding with a box.
A baseball being caught in a mitt.
Putting an ice pack on injury
A soccer ball sitting on the ground.
When a meteor crashes into Earth, Which describes the transfer of energy when the meteor hits the ground and stops moving?
The meteor loses all kinetic energy to the friction from the air.
No energy is transfer occurred. The meteor still holds the same amount of kinetic energy.
When the meteor hits Earth, the kinetic energy is transferred from the crater to Earth.
When the meteor stops moving, the energy is destroyed.
Newton's first law that says an object at rest will remain at rest unless acted upon by an unbalanced force is also called the law of (a)
Newton’s 3rd law states that for every action, there is an (a) reaction.
If net force acting on object is 0, then the forces acting on the object are considered to be (a) .
When finding net force, If there are two forces going in the SAME direction, I need to (a) the forces.
When you are holding a book, energy is stored between the book and Earth; this type of energy is called (a) energy.
