Important Terms and Forces

Question 1

A force of the Earth on an object due to its mass

Answer 1

Weight

Question 2

A force that resists movement because of contact between surfaces

Answer 2

Friction

Question 3

A non-contact force that acts between two masses

Answer 3

Gravity

Question 4

A force between two magnets, or a magnet and magnetic material

Answer 4

Magnetic Force

Question 5

The force on an object moving through the air that causes it to slow down (A.K.A Drag).

Answer 5

Air resistance

Question 6

To squash into a smaller object

Answer 6

Compress

Question 7

The force acting on an object moving through the air or water that causes it to slow down.

Answer 7

Drag Force

Question 8

The amount by which an object gets longer when a force is applied.

Answer 8

Extension

Question 9

The law that states that if you double the force on an object the extension will double.

Answer 9

Hooke’s Law

Question 10

The amount of matter something is made up of.

Answer 10

Mass

Question 11

The unit of force.

Answer 11

Newtons (N)

Question 12

A piece of equipment used to measure weight in newtons.

Answer 12

Newton Meter

Question 13

The support force provided by a solid surface like a floor.

Answer 13

Reaction

Question 14

Any forces that act to slow down an object.

Answer 14

Resistive forces

Question 15

Shaped to reduce resistance to motion from air or water.

Answer 15

Streamlined.

Question 16

A stretching force.

Answer 16

Tension

Question 17

The force on an object moving through water that causes it to slow down (A.K.A Drag).

Answer 17

Water Resistance

Question 18

A _____ is a push or a pull or a twist. A _____ can change the shape, speed or direction of an object.

Answer 18

Force

Question 19

Forces are said to be balanced when there is 0 _________ _____. This means an object is either stationary or moving at a constant speed.

Answer 19

Resultant Force