Forces and Motion

Front

What is the formula to calculate speed?

Back

Speed = Distance ÷ Time

Front

Alan travels 100 km in 5hrs. Find his average speed in km/h.

Back

20 kilometers per hour

Front

This is the force that 2 objects have when rubbed against one another. It's the force that makes an object slow down or stop.

Back

friction

Front

This word means a push or a pull.

Back

force

Front

The rate at which an object is able to move is called ______________.

Back

speed

Front

What is the definition of acceleration?

Back

Acceleration is the rate of change of velocity of an object.

Front

What is gravity?

Back

Gravity is the force that pulls objects toward each other, especially the force that pulls objects toward the Earth.

Front

What are unbalanced forces?

Back

Unbalanced forces are forces that cause an object to move or change its motion.

Front

What is the difference between speed and velocity?

Back

Speed is how fast an object is moving, while velocity includes both speed and direction.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces that are in contact.