7K - Forces

Question 1

What is a force?

Answer 1

A FORCE can be a PUSH, PULL or a TWIST.

Question 2

Example of a force

Answer 2

Air resistance, contact forces, friction, gravity, magnetism, non-contact force, static electricity, up thrust, water resistance.

Question 3

What is mass?

Answer 3

MASS is the amount of SUBSTANCE IN YOUR BODY.

Question 4

What is weight?

Answer 4

WEIGHT is a FORCE CAUSED BY GRAVITY PULLING ON YOUR BODY.

Question 5

What is Hooke’s law?

Answer 5

HOOKE’S LAW is the EXTENSION OF A SPRING is PROPORTIONAL ON THE FORCE ON IT.

Question 6

What is Friction?

Answer 6

FRICTION is a CONTACT FORCE, it can: SLOW THINGS DOWN; WEAR THINGS AWAY; PRODUCE HEAT; CAUSE A NOISE.

Question 7

pressure is…?

Answer 7

Pressure is the amount of force pushing on a certain area. For a certain AREA, the bigger the force, the bigger the pressure. and for a certain FORCE, the bigger the area, the smaller the force.

Question 8

What is a balanced force?

Answer 8

A BALANCED FORCE are FORCES on an object that are the SAME SIZE and in OPPOSITE DIRECTION.

Question 9

What is an unbalanced force?

Answer 9

An UNBALANCED FORCE is a force on a object that is GREATER ON ONE SIDE, with a SMALLER FORCE ON THE OTHER SIDE, TRYING TO WORK AGAINST IT.