Force

A ________is a push or a pull.

• Pressure

• Force

• Friction

• Matter

A force is needed to __________ an object.

• Speed up

• Change direction

• Move

• All of the above

A __________ force can cause the car to slow down.

• Friction

• Pull

• Pressure

• Gravity

The friction force act in the opposite direction of an object.

• True

• False

Which activity needs less force?

• 
• 
• 
• 

It is harder to push an object with a circular shape than a cubical shape.

• True

• False

Study the following picture. At first, car A and car are at the same point. Five minutes later, car A is in front of car B. What can we conclude?

• Car A and car B has not moved

• Car A has moved, car B has not moved

• Car A and car B has moved

• Car A and car B are moved in the opposite direction

We can describe the motion of an object by describing these following things, except __________.

• Shape

• Position

• Direction

• Speed

To measure speed of an object we use __________.

• Ruler

• Measuring tape

• Odometer

• Speedometer

A car move with a speed of 40 km/h. The incorrect statement is __________.

• In 1 hour the car has moved about 40 km

• The car will be in the same position

• In 2 hour the has moved about 80 km

• The car will stop because there is a friction force between road and the wheel