A. Buoyant force = density of fluid * volume of fluid displaced * gravitational acceleration. B. Buoyant force = weight of the object * volume of the object. C. Buoyant force = density of the object * volume of the object * gravitational acceleration. D. Buoyant force = weight of the ...
Work is done when a force acts on an object and causes a displacement. What is the formula for work? A. W = F/s B. W = Fd C. W = Fv D. W = F/t 相关知识点: 试题来源: 解析 B。功(work)的公式是 W = Fd,其中 F 是力(force),d 是位移(displacement)。A 选项没有这个公式...
What is the formula for the frictional drag force in the "force" function? #1 fish man New Member Join Date: Nov 2022 Posts: 11 Rep Power: 4 We use OpenFOAM v1806. The "force" function is used to calculate the force. When performing the "force" function, what is the equation...
What does the formula F = G * (m1 * m2) / r² represent? A. Electric force B. Magnetic force C. Gravitational force D. Frictional force 相关知识点: 试题来源: 解析 C。解析:公式 F = G * (m1 * m2) / r² 表示两个物体之间的万有引力。反馈 收藏 ...
The formula for calculating force is F = ma. What does 'm' stand for? A. momentum B. mass C. magnitude D. motion 相关知识点: 试题来源: 解析 B。解析:在公式 F = ma 中,m 代表 mass(质量)。A 选项 momentum 是动量;C 选项 magnitude 是大小、量级;D 选项 motion 是运动。
B. Force is equal to acceleration divided by mass. C. Force is equal to mass divided by acceleration. D. Force is E. qual to the square of acceleration times mass. 相关知识点: 试题来源: 解析 A。解析:牛顿第二定律公式 F = ma 表示力等于质量乘以加速度。反馈 收藏 ...
Force is everywhere and it comes in a variety of sizes, directions, and type. We can define Force as the push or pull of an object. Learn Force definition, unit & types of Force with solved examples.
In the formula ρ = m/V, what does “ρ” indicate? A. mass B. volume C. density D. force 相关知识点: 试题来源: 解析 C。本题考查物理公式中符号的含义。在公式 ρ = m/V 中,ρ 代表密度(density)。A 选项 mass 是质量;B 选项 volume 是体积;D 选项 force 是力。反馈 收藏 ...
What is the formula for surface tension?Cohesion Force:The force of attraction between the molecules of the same substance is called the cohesion force. It is also called the intermolecular attraction. Adhesive force is the force of attraction between the molecules of different substances....
Speed and velocity are distinct concepts; while speed only considers the magnitude of movement, velocity also takes into account the direction. The formula for velocity is given by velocity (v)=displacement (d)time (t)velocity (v)=time (t)displacement (d), where displacement is the distan...