摩擦力 影片素材 第1頁

Physics diagram showing a block of mass M on an inclined plane with applied force F and component of gravity mg, explaining motion, slope angle, and Newton laws, Isaac Newton physics mechanics

Woman tries to breed a fire in the forest with the

The masseur doing sports friction and massage of

Friction of male's legs with bamboo sticks. Close

The masseur doing sports friction and massage of

Making Fire with Wood Stick

Woman tries to breed a fire in the forest with the

Car brake disc rotor and caliper assembly closeup in automotive repair garage with golden sunlight

Physics diagram showing a hanging mass M with tension force T upward and gravitational force mg downward, explaining tension, equilibrium, and Newton second law, Isaac Newton physics mechanics

motion of chemistry and physics, Siphon physics principles, A siphon is any of a wide variety of devices that involve the flow of liquids through tubes, Siphon principle, education for school

motion of physics, Earth's gravity, free fall of an apple under constant acceleration, Each position illustrates increasing distance over equal time intervals, visualizing the equation

Powerful electric angle grinder with interchangeable cutting and grinding discs being for metal fabrication, construction, DIY repair projects. Sparks fly the tool precisely shapes finishes materials.

Physics concept illustration showing balanced forces, The equal opposing forces create equilibrium, resulting in no acceleration of the object, Isaac Newton physics mechanics

Close up shot of the word "delete" written in blue pencil and erased with a white eraser on white paper, Showcasing Stationery Tools for Deletion and Creativity

Powerful electric angle grinder with interchangeable cutting and grinding discs being for metal fabrication, construction, DIY repair projects. Sparks fly the tool precisely shapes finishes materials.

Bearings heap industrial background. 3danimation

男子搔癢的肚子（日本人，30多歲，無臉）

A brass stamping machine is used to imprint the design on brass plates to further use to decorate a Buddhist Temple.

Powerful electric angle grinder with interchangeable cutting and grinding discs being for metal fabrication, construction, DIY repair projects. Sparks fly the tool precisely shapes finishes materials.

金屬鏈在張力作用下和發光的油的特寫鏡頭

Close-up of a rake scraping through gravel and crushed stone on a dirt path, kicking up small pebbles and dust. Ideal for construction, landscaping, or rustic outdoor themes.

little kid hand is science experimenting and testing the air pressure with orange balloon and bollow.

Spheres balls fall on different grasp move able to loop seamless

Bearings of various types industrial background. 3d animation

一名女子在奇幻的水下世界與海豚擁抱

abrasive wheel cutting metal plate with shower of sparks, high speed rotation and glowing embers, close framing on disc and cutting line, gritty workshop environment, dramatic

Metalworking machine performs cutting using coolant liquid

Car wheel sliding on snow with ABS braking action during winter conditions

啞光炭灰色背景上的單一煞車盤的極簡主義表現形式

metal sparks fly during grinding, flames emerge as metal is polished carefully, bright sparks erupt from metal grinding process as hands operate with gloves securely

A tennis ball making impact on a clay court, captured in an action shot with a dust explosion

Spinning spindles ensure fast winding. Weaving of metal hoses.

Rotating 3d squares for scientific or business presentation

grinding sparks illuminate busy workshop, metal beam cut sparks flying everywhere in workshop, lively industrial scene with sparks flying as grinder works on metal beam

3 real big sparks explosion like in the space movies with black background easy to blend into your compositions by screen mode

Speedy conveyor with sensors for efficient cardboard handling, Rapid industrial conveyor system equipped with sensors and guiding rollers for optimized cardboard processing and alignment

Shredded rubber flows along conveyor for next stage

Difference between mass and weight, Mass is the total amount of matter in an object, Weight is the force of gravity on an object, Weight is a measurement of the gravitational force on an object

ignition of a match in stop motion photography, highlighting the process of combustion and the creation of fire

high speed drill bit shaving metal, rapid rotation throws chips and coolant spray, energetic shop atmosphere with flying shavings, close focus on impact and debris as cnc

closeup of rotating brake components, fastspinning brake disc and pad contact detailed view in workshop

Spinning spindles ensure fast winding. Weaving of metal hoses.

metal piece sparks fly everywhere, wheel sparks illuminate workshop as metal is cut, sparks from grinding wheel scatter across workshop floor during metal cutting

knife being sharpened on a grinding wheel, creating a shower of bright sparks, in a dark workshop environment

Powerful electric angle grinder with interchangeable cutting and grinding discs being for metal fabrication, construction, DIY repair projects. Sparks fly the tool precisely shapes finishes materials.

Multiple bullets moving rapidly across the ground.AI Generated

intense metal cutting action, dramatic scene of sparks and metal being cut quickly, closeup shot capturing sparks flying as grinder cuts through metal corner vigorously

Powerful electric angle grinder with interchangeable cutting and grinding discs being for metal fabrication, construction, DIY repair projects. Sparks fly the tool precisely shapes finishes materials.

Close-up of the fuselage and engine of the aircraft

Powerful electric angle grinder with interchangeable cutting and grinding discs being for metal fabrication, construction, DIY repair projects. Sparks fly the tool precisely shapes finishes materials.