Kinematics Review

Kinematics Review

Scalar - Vector

• Go to the link below to watch video on scalar vector

• https://youtu.be/Ix3htsNmSZY

Multiple Choice

A quantity described by magnitude and does not need direction

• Vector

• Scalar

Multiple Choice

Speed is

• Vector

• Scalar

Multiple Choice

Mass is a

• Vector

• Scalar

Multiple Choice

Wind blowing at 20 mph.Vector or scalar?

• Scalar
• Vector

Multiple Choice

Which statement describes a vector?

• It has magnitude but no direction
• It has direction but no magnitude
• It has both direction and magnitude
• It has constant magnitude but no
   direction

Multiple Choice

A quantity that has both magnitude and direction is called a scalar quantity.

• True
• False

Multiple Choice

Which of these is not a vector quantity? 

• displacement 
• time
• velocity 
• acceleration

Multiple Choice

Which of the following quantities are vectors?

• speed, velocity, acceleration
• velocity, acceleration, force
• force, acceleration, mass
• length, mass, time

Multiple Choice

which of the following is a vector?

• velocity

• discance

• position

• speed

Multiple Choice

Velocity is

• Vector

• Scalar

Multiple Choice

30 m/sec, East. Scalar or Vector

• Scalar
• Vector
• Neither

Distance and Displacement

• Go to the link below to view distance and displacement video.

  https://youtu.be/9z-EIcdJ9VY

Multiple Choice

The scientific (SI) unit for measuring distance is the ________ .

• mile
• foot
• kilometer
• meter

Multiple Choice

Ronaldo runs across a soccer field, moving 10 meters north, then 8 meters west. His displacement would be:

• 10.2 m, NW
• 12.8 m, NW
• 15.4 m, NW
• 18.0 m, NW

Multiple Choice

A car drives 84 meters forward.  It's displacement and distance would be the same.

• True
• False

Multiple Choice

Jerry walked from home to school, then from the school to the park. What is his total displacement?

• 2 km

• 5 km

• 8 km

• 10 km

Multiple Choice

Jerry walked from home to school, then from the school to the park. What is his total distance?

• 2 km

• 5 km

• 8 km

• 10 km

Multiple Choice

 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?

• 800
• 400
• 0
• 200

Multiple Choice

Distance and direction of an object's change in position from a starting point

• displacement
• distance
• motion
• reference point

Multiple Choice

Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?

• 10
• 7
• 8
• 6

Speed and Velocity

• Go to the link below to watch a video on speed and velocity

Multiple Choice

Bonnie Blair set the world record for women’s speed skating in 1995 with an average speed of 12.9 meters per second. How far would Blair have traveled at this speed in 5 minutes?

• 62.5

• 2.5

• 0.4

• 17.9

Multiple Choice

Which of the following represents a velocity?

• 40 m
• 40 m north
• 40 m/s
• 40 m/s north

Multiple Choice

Velocity is both ____ and _____. 

• speed , direction 
• direction, mass
• volume, density 
• direction, magnitude 

Multiple Choice

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

Multiple Choice

Colin skateboards down the sidewalk in front of the school, traveling at 24 km/h. How much time would it take him to travel 6.0 km?

• 0.25 h

• 0.4 h

• 5.4 h

• 12 h

Multiple Choice

A car travels 30 miles/hr for 3 hours, calculate the distance it will travel

• 90 miles
• 10 miles
• 600 miles
• 90 km

Multiple Choice

What is the equation to calculate speed?

• speed = distance/time
• speed = time/distance
• speed = time x distance 
• speed = speed/time 

Multiple Choice

What is the speed of an object that travels 60 meters in 4 seconds?

• 240 m/s
• 15 m/s
• 0.067 m/s
• 15 mph

Multiple Choice

What two measurements are necessary for calculating speed?

• Mass and time
• Temperature and mass
• Mass and distance
• Distance and time

Multiple Choice

Find the velocity of a truck that travels 75 miles north in 2.5 hours.

• 187.5 mph north
• 30 mph north
• 300 mph north
• 200 mph north

Multiple Choice

Find the velocity of a plane that traveled 3000 miles west in 5 hours.

• 65 mph west
• 6 mph west
• 600 mph west
• 6000 mph west 

Acceleration

• Go to the link below to view the video on acceleration

• https://youtu.be/vxFYfumAAlY

Multiple Choice

A negative acceleration means that your object is _____. 

• not accelerating
• not moving
• speeding up 
• slowing down 

Multiple Choice

Acceleration is defined as the CHANGE in 

• time it takes for one place to move to another place. 
• velocity of an object.
• distance divided by the time interval 
• velocity divided by the time interval 

Multiple Choice

A dog runs with an initial speed of 7.5 m/s on a waxed floor.  It slides to a stop in 15 seconds.  What is the acceleration?

• -7.5 m/s
• -7.5 m/s²
• -0.5 m/s²
• 7.5 mi//hr

Multiple Choice

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.

• 30 m/s
• 24 m/s²
• 9 m/s²
• 81 km/hr

Multiple Choice

I am jogging a steady 3 mph when a viscous chihuahua comes charging and trying to attack me! It takes me 4.3 seconds to reach 6 mph....what did that evil dog make my acceleration go to?

• 0.7 mph

• 12.9 mph

• 1.39 mph

Multiple Choice

A car going 50mph accelerates to pass a truck. Five seconds later the car is going 80mph. Calculate the acceleration of the car

• 6

• 500

• 16

• 10