G5SCIQ2-4

Which is not a unit of speed?

• kph

• mps

• miles/hr

• second/meter

What kind of force is present in stretched strings, ropes, cables?

• electrical

• gravitational

• magnetic

• tension

What is the unit of measurement for force

• kilogram

• kilogram per hour

• meter

• newton

If Usain Bold finished a 200 meter race in 20 seconds, what is his speed?

• 0.01 meters/second

• 10 meter/second

• 400 meters/second

• 4000 meters/second

What kind of force acts against or opposite the motion of an object

• electrical

• gravitational

• magnetic

• tension

• friction

Which of the following is used in the metric system of measurement?

• feet

• inch

• meter

• yard

How can a biker cover a greater distance in a specified time?

• pedal faster to increase the speed of the bike

• pedal slowly to decrease the speed of the bike

• increase the distance it will cover in the same time allotment

• pedal faster to increase the time it will take to cover the distance

When you throw a ball, it goes up; then it goes down. Why

• Gravity pulls the ball down

• The force that moves it is not strong

• Gravity does not act on the ball upon release

• The speed of the ball is affected by air friction

What does a traffic sign of 60 km/h on the road mean?

• The minimum speed a car may travel is 60 km/hr

• The maximum speed a car may travel is 60 km/hr

• A car is not allowed to have a speed of 60km/hr

• A car may travel mote than 60km/hr when traffic is light

Why is the speed of 10km/hr required at school zone?

• to economize on fuel

• to prevent damage to vehicles

• to prevent vehicles from bumping one another

• to keep the children safe from vehicular accidents