Forces and Motion

Front

What causes objects to move?

Back

Unbalanced forces

Front

Which law best explains the event where a rocket's action is to push down on the ground with the force of its powerful engines, and the reaction is that the ground pushes the rocket upwards with an equal force, but opposite in direction?

Back

3rd Law - The Law of Action/Reaction

Front

A person pushes a bowling ball 10 meters and then pushes a tennis ball 10 meters. Which push requires more force and why?

Back

The bowling ball because it has a greater mass

Front

When you slide a box across the floor, what force must your push force be stronger than?

Back

friction

Front

What unit is used to measure force?

Back

Newtons

Front

How does the moon's gravity compare to Earth's gravity?

Back

The moon's gravity is less than Earth because the moon has less mass.

Front

If you were to jump on the moon, your jump would...

Back

be larger than a jump on Earth because there is less gravity on the moon

Front

Why do you feel thrown back against your chair when a roller coaster takes off at high speed?

Back

inertia

Front

Which law of motion?

It is harder to push a full grocery cart than an empty grocery cart.

Back

2nd Law - Law of Acceleration

Front

A car stops suddenly. The passengers are thrown forward until they are caught by their seatbelts. Which law of motion?

Back

1st law - Law of Inertia