Types of Forces
Effects of Forces
Balanced & Unbalanced Forces
Measuring Forces
100

What is the name of the force that pulls objects toward the center of the Earth?

What is gravity?

100

When a force makes something start to move.

What is a change in motion?

100

Two equal forces acting in opposite directions.

What are balanced forces?

100

The unit used to measure force.

What is a Newton?

200

A force that happens when you push or pull something.

What is a contact force?

200

When a moving object changes direction.

What is a force acting on it?

200

What happens when all the forces on an object are balanced?

What is it stays still or keeps moving at the same speed?

200

The instrument used to measure force.

What is a Newton meter?

300

A force that slows things down when they move across a surface.

What is friction?

300

Why do astronauts float in space?

What is less weight and no gravitational force?

300

What happens when forces are unbalanced?

What is a change in motion?

300

Weight or mass is the amount of matter.

What is mass?

400

The force that acts between two charged objects.

What is electrostatic force?

400

One way you can tell a force is acting on something.

What is it changes speed, shape, or direction?

400

The kind of force that is needed to stop a moving object.

What is an unbalanced force?

400

If there is 10 N pulling left and 4 N pulling right what is the final result in N?

What is 6 N to the left?

500

A force that allows magnets to attract or repel materials.

What is magnetic force?

500

What force causes a person with a parachute to start falling when jumping out a plane?

What is weight?

500

If a car is slowing down, this is true about the forces.

What is they are unbalanced?

500

NASA’s Curiosity Rover landed on Mars in 2012. On Earth, the rover’s mass is 899 kilograms and its weight is 8990 N. On Mars, its weight is 3326 N. Calculate the gravity on Mars.

What is 3.7 N/kg?