CBA #2 Review

Curriculum Based Assesment #2

By Adrianna Falcon

Math Review.

a quantity with magnitude only

Scalar

a quantity with magnitude AND direction

​​Vector

Categorize

Options (9)

DISTANCE

SPEED

TIME

DISPLACEMENT

POWER

VELOCITY

ACCELERATION

FORCE

WEIGHT

Organize these options into the right categories

SCALAR

VECTOR

Math Response

Convert 4560 to scientific notation

Type answer here

Correct Answer: 4.56x10^3

Deg^°

Rad

Graphing

Multiple Select

Choose all graphs that show a stationary object or no motion:

Multiple Choice

What does this graph represent?

• Constant speed
• Acceleration
• Not moving

Multiple Choice

Match the graph to the description:

"The car is traveling at a constant speed."

Multiple Choice

What is happening during point C to D?

• not moving

• increasing speed at a constant rate

• moving at a constant speed

• moving at 0 m/s² acceleration

Newton's Laws

Multiple Choice

A man is pushing a baby stroller. Compared to the magnitude of the force excerted on the stroller by the an, the agnitude of the force exerted on the man by the stroller is?

• Zero

• Equal

• Larger

• Smaller, but greater than zero

​inertia is a resistance to change; more mass more inertia

​​Sub header

​Remember how to place the formula in the pyramid to solve for mass and acceleration.

​​Sub header

Rememeber forces come in equal and opposite pairs.

​​Sub header

Newton's Law of Universal Gravitation

​If distance is doubled, the four decreases by 4!

Drag and Drop

Using Newton's Law of Universal Gravitation, drag and drop the corresponding responses to make it true. I the distance between two masses is tripled, the gravitational force between them change will​ ​

Placeholder

by a factor of​

Placeholder

Drag these tiles and drop them in the correct blank above

decrease

9

increase

3

6

​KE= is energy of motion

Net Forces & Free Body Diagrams

​GPE= is energy of Position

Dropdown

Name the missing force

Select answer

Hotspot

Where on the diagram will a rollercoaster have the greastest GPE and the greatest KE?

Labelling

Where on the rollercoaster are there equal amounts of energy?

Drag labels to their correct position on the image

Two

One

Three

Fill in the Blanks

Circular Motion

Replace this with a sub-header that can be in multiple lines. ​

Hotspot

 Which of the following represents the possible direction for the tangential velocity of the moving ball in a circular motion?

the ability to store energy

​

​Work

How fast you work

​

Power

Multiple Choice

A 855 N girl takes 12 seconds to run up two flights of stairs a total of 5.0 meters above her starting point. What power does the girl develop during her run?

• 356.25

• 2052

• 687

mgh = 1/2 mv²

​

​Law of Conservation of Energy

Multiple Choice

A 1.5 kg falcon is gliding in the sky and has 768 J of GPE. What would the falcon's velocity be after falling freely from rest before it swoops the ground and flies straight?

• 23 m/s

• 32 m/s

• 39 m/s

• 48 m/s

P = m x v

​

Momentum

​Types of Collisions

Categorize

Options (8)

Hit and bounce

Hit and Stick together

KE is lost

KE is conserved

Momentum is conserved

Momentum is conserve

m1v1 + m2v2 = m1v1f + m2v2f

m1v1 +m2v2 =(m1+m2)v

Organize these options into the right categories

Elastic

Inelastic

Multiple Choice

A 12kg ball is moving with a velocity of 5 m/s. What is the momentum of the ball?

• 2.5 kgm/s

• 3 kgm/s

• 10 kgm/s

• 60 kgm/s

Impulse = J

Ft=m(v_f-v_i)

Multiple Choice

A car of mass 1200 KG traveling at 15 m/s comes to a stop in 5 seconds. What is the average force exerted on th car to bring it to a stop?

• -3600 N

• 3600 N

• 7200 N

• -7200 N

Multiple Choice

A toy train car with a mass of 50.0 kg collides with a stationary empty car of mass 15.0 kg whilemoving at 5.0 m/s. At the collision, the cars couple together. What is th final velocity of the moving pair?

• 1.50 m/s

• 3.85 m/s

• 5.00 m/s

• 6.67 m/s

Multiple Choice

A 50 kg Football player runs at 8 m/s and plows into an 80 kg referee and stops moving while the referee flies forward. What is the velocity of the referee after the collision?

• 0 m/s

• 5 m/s

• 8 m/s

• 12.8 m/s