Forces

Question 1

What is a force?

Answer 1

A push or pull that can cause motion

Force can be influenced by various factors including friction.

Question 2

What is friction?

Answer 2

Force generated between materials that are moving past each other, always opposes motion

Friction is crucial in determining how objects move relative to one another.

Question 3

What is the first law of Newton’s Laws?

Answer 3

Inertia

The law states that an object will maintain its velocity unless acted upon by an external force.

Question 4

What does more mass mean in terms of inertia?

Answer 4

More mass means more inertia, leading to greater resistance to acceleration

Inertia and mass are intrinsic properties and do not depend on location.

Question 5

What is the relationship between weight and location?

Answer 5

Weight is a force depending on location, measured in newtons

Weight can change with gravitational force variations.

Question 6

What is the second law of Newton’s Laws?

Answer 6

Mass x acceleration

This law relates the net force acting on an object to its mass and acceleration.

Question 7

What is the third law of Newton’s Laws?

Answer 7

For every action, there is an equal and opposite reaction

This law emphasizes the interaction between two bodies.

Question 8

What is net force?

Answer 8

Combination of all forces acting on an object

Net force determines the object’s acceleration.

Question 9

What is normal force?

Answer 9

Surface pushing on an object in a perpendicular direction to the surface

Normal force is crucial in understanding how objects interact with surfaces.

Question 10

What is static friction?

Answer 10

Resistance to sliding motion

Static friction prevents objects from starting to move.

Question 11

What is kinetic friction?

Answer 11

Opposes movement of two surfaces sliding past each other

Kinetic friction is less than static friction for the same surfaces.

Question 12

What is tension in physics?

Answer 12

Act of stretching or condition of being stretched to stiffness

Tension is a force that can be transmitted through a string, rope, or cable.

Question 13

1 kg is equivalent to how many pounds?

Answer 13

2.205 lb

This conversion is useful in various scientific calculations.

Question 14

1 kg is equivalent to how many newtons?

Answer 14

9.8 newtons

This value represents the weight of a 1 kg mass under standard gravity.