Forces

Question 1

Applied force

Answer 1

An applied force is a force that is applied to an object by a person or another object.

Question 2

Air resistance

Answer 2

Air resistance is a force that stops an object or animal falling through the air

Question 3

Gravitational/Reaction force

Answer 3

Gravity is the force that pulls you down and makes you stop floating and jumping into the space. The reaction force is a force that is equal to gravity.

Question 4

Tension force

Answer 4

The tension force is defined as the force that is transmitted through a rope, string or wire when pulled by forces acting from opposite sides.

Question 5

Friction force

Answer 5

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

Question 6

Electrical force

Answer 6

The attractive or repulsive interaction between any two charged objects is an electric force.

Question 7

Thrust

Answer 7

Thrust is a force or a push. When a system pushes or accelerates mass in one direction, there is a thrust (force) just as large in the opposite direction.

Question 8

Up thrust

Answer 8

Upthrust is an upward force exerted by a fluid that opposes the weight of an immersed object.