Forces

Front

What is the definition of force in physics?

Back

A force is a push or pull acting upon an object as a result of its interaction with another object.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Front

What is the effect of gravity on falling objects?

Back

Gravity causes objects to accelerate towards the Earth at a rate of approximately 9.81 m/s², regardless of their mass.

Front

How does friction affect the motion of objects?

Back

Friction is a force that opposes the motion of an object, causing it to slow down or stop.

Front

What factors affect the amount of friction between two surfaces?

Back

The amount of friction depends on the nature of the surfaces in contact and the normal force pressing them together.

Front

What is the difference between static and kinetic friction?

Back

Static friction acts on objects that are not moving, while kinetic friction acts on objects that are sliding over each other.

Tags

NGSS.MS-PS3-5

Front

How does the surface texture influence friction?

Back

Rough surfaces generally produce more friction than smooth surfaces due to increased interlocking of surface irregularities.

Front

What is the role of gravity in the motion of a toy car down a ramp?

Back

Gravity pulls the car down the ramp, causing it to accelerate and travel a certain distance based on the ramp's angle and surface.

Tags

NGSS.MS-PS3-1

Front

What is the relationship between mass and gravitational force?

Back

The gravitational force between two objects increases with the mass of the objects and decreases with the square of the distance between them.

Tags

NGSS.MS-PS2-4

Front

How does changing the angle of a ramp affect the distance a toy car rolls?

Back

Increasing the angle of the ramp increases the component of gravitational force acting down the ramp, resulting in greater acceleration and distance.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Front

What is the purpose of conducting experiments in physics?

Back

Experiments help to test hypotheses, observe phenomena, and understand the principles governing physical interactions.

Tags

NGSS.HS-PS2-1