Forces and Motion Review

Front

What is friction?

Back

Friction is a force that acts between two objects that are touching, slowing down their movement.

Front

How do you calculate speed?

Back

Speed is calculated using the formula: speed = distance ÷ time.

Front

If a train travels 100 meters in 10 seconds, what is its speed?

Back

10 meters per second.

Front

Which car requires the most force to start moving?

Back

The car with the mass of 2000 kilograms.

Front

What happens to a shopping cart as items are added?

Back

The cart becomes more difficult to move because the items increase the mass of the cart.

Front

What force pulls a book towards the floor when it falls?

Back

Gravity.

Front

What is the relationship between mass and force?

Back

The greater the mass of an object, the more force is required to move it.

Front

What is the effect of gravity on objects?

Back

Gravity pulls objects towards the center of the Earth.

Front

What is the definition of motion?

Back

Motion is the change in position of an object over time.

Front

What is the unit of force?

Back

The unit of force is the Newton (N).