Linear Motion Review MCHS

Front

What does positive acceleration indicate when an object is traveling horizontally?

Back

The object is speeding up.

Front

How do you calculate speed?

Back

Speed = Distance / Time.

Front

What is the speed of a person who covers 20 km in 5 hours?

Back

4 km/hr.

Front

How do you find acceleration?

Back

Acceleration = Change in Speed / Time.

Front

If a minivan's speed changes from 35 km/hr to 40 km/hr in one second, what is its acceleration?

Back

5 km/hr/s.

Front

What can you see on a car's speedometer?

Back

The car's instantaneous speed.

Front

What is instantaneous speed?

Back

The speed of an object at a specific moment in time.

Front

What is average speed?

Back

Total distance traveled divided by total time taken.

Front

What is equilibrium in terms of forces?

Back

Balanced forces resulting in a net force of zero.

Front

What is the difference between speed and velocity?

Back

Speed is scalar (magnitude only), while velocity is vector (magnitude and direction).