G7A_Q3_POST TEST 1

A moving body must undergo a change of _____.

• position

• acceleration

• direction

• velocity

The measure only of the path travelled by an object.

• distance

• speed

• displacement

• velocity

Which of the following is a magnitude of distance?

• 50 km

• 80 km/hr

• 60 sec

• 30 m to the East

After completing one trip on a roller coaster, the roller coasters ________is zero.

• displacement

• reference point

• length

• distance

What two factors do you need in order to calculate speed?

• mass and acceleration

• force and distance

• distance and time

• mass and time

Speed at a given instant is called ______ .

• Total speed

• Average speed

• Instantaneous speed

• Initial speed

The device used to measure the instantaneous speed of a vehicle is ________.

• Thermometer

• Speedometer

• Meterstick

• Ruler

A body travels along a straight road for 150 meters in 30 seconds. Determine the speed of the body.

• 2 m/s

• 3 m/s

• 4 m/s

• 5 m/s

A car travels at a constant speed of 10 m/s. Determine the distance of the car after 10 seconds and 60 seconds.

• After 10 seconds, the car travels 20 meters.

  After 60 seconds, the car travels 50 meters

• After 10 seconds, the car travels 20 meters.

  After 60 seconds, the car travels 100 meters

• After 10 seconds, the car travels 100 meters.

  After 60 seconds, the car travels 600 meters

• After 10 seconds, the car travels 600 meters.

  After 60 seconds, the car travels 100 meters

A mail man walks about 161 m, eastward from his car. He then turns around and walks back 194 m this time Westward from his car. What is the mail man’s displacement relative to his car?

• 252 m, due East

• 194 m, due West

• 33 m due East

• 33 m due West