Understanding Non-Contact Forces

Understanding Non-Contact Forces

Assessment

Interactive Video

Created by

Jackson Turner

Physics, Science

5th - 8th Grade

2 plays

Medium

The video tutorial explores the concept of forces, focusing on non-contact forces such as gravity, magnetism, and electrostatic force. It explains how these forces operate without physical contact, providing examples like gravity's effect on skydivers, magnetism in everyday objects, and electrostatic interactions. The tutorial also highlights the significance of these forces in various applications, emphasizing their role in the natural world.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a force that acts without physical contact?

Contact force

Tension force

Non-contact force

Frictional force

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of gravitational force?

A magnet attracting a paperclip

A ball falling to the ground

Static electricity from a comb

A car moving on a road

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What keeps the planets in orbit around the sun?

Gravitational force

Nuclear force

Electrostatic force

Magnetic force

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which metal is commonly associated with magnetism?

Iron

Aluminum

Gold

Copper

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a practical use of magnets in the medical field?

X-ray machines

MRI scans

Ultrasound

Thermometers

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between gravitational and electrostatic forces?

Gravitational force acts between charged bodies

Electrostatic force acts between masses

Gravitational force acts between masses

Electrostatic force acts between neutral bodies

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when two objects with similar charges come close?

They neutralize each other

They combine into one

They repel each other

They attract each other

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of electrostatic force?

A book resting on a table

A car accelerating

A balloon sticking to a wall after being rubbed

A magnet sticking to a fridge

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of electrostatic force in printers?

It charges the paper

It powers the printer

It helps in binding the pages

It attracts toner to the paper

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a non-contact force?

Magnetism

Electrostatic force

Gravity

Friction

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