What is the name of the force that pulls objects toward the center of the Earth?
What is gravity?
When a force makes something start to move.
What is a change in motion?
Two equal forces acting in opposite directions.
What are balanced forces?
The unit used to measure force.
What is a Newton?
A force that happens when you push or pull something.
What is a contact force?
When a moving object changes direction.
What is a force acting on it?
What happens when all the forces on an object are balanced?
What is it stays still or keeps moving at the same speed?
The instrument used to measure force.
What is a Newton meter?
A force that slows things down when they move across a surface.
What is friction?
Why do astronauts float in space?
What is less weight and no gravitational force?
What happens when forces are unbalanced?
What is a change in motion?
Weight or mass is the amount of matter.
What is mass?
The force that acts between two charged objects.
What is electrostatic force?
One way you can tell a force is acting on something.
What is it changes speed, shape, or direction?
The kind of force that is needed to stop a moving object.
What is an unbalanced force?
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?
A force that allows magnets to attract or repel materials.
What is magnetic force?
What force causes a person with a parachute to start falling when jumping out a plane?
What is weight?
If a car is slowing down, this is true about the forces.
What is they are unbalanced?
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?