The experiment about gravity ___ the object will fall faster if the mass is larger. A. prove B. proves C. proved D. proving 相关知识点: 试题来源: 解析 B。解析:主语The experiment是单数,所以谓语动词用第三人称单数形式proves。反馈
更多“a small block of mass m is released on a triangular block of mass m. if at the same time a force”相关的问题 第1题 A small mass m rests on the sloping side of a triangular block of mass M which itself rests on a horizontal table as shown in figure. If no friction, how...
A. The spacecraft mass increases monotonically B. The acceleration of gravity is assumed constant C. The thrust vector is normal to the descent trajectory D. The control is defined as the fuel consumption E. The spacecraft gain acceleration solely by the thrust force without considering ...
The temperature increases would cause largescale melting of ice near the poles and a rise in the sea level of about two feet in the 100 years-just for openers-with the tides of the future quite possibly necessitating "a gradual retreat to higher ground. "Noah, can you spare a line? The...
Since the elevator is in free fall, gravity is the only force contributing to its fall. Therefore, the elevator will travel downwards with an acceleration of 9.8 meters per second squared (the standard acceleration value due to gravity). ...
Curious Kids: What would happen if someone moved at twice the speed of light? What is the speed of light? Most humans can handle acceleration forces of about four to six times that of gravity (4 to 6 g) for a short period of time. As the g-force increases, your body's ability...
Density refers to the mass per unit volume in the object. For example, there is two parking space with the same area 50 square meter. Here, one parking contains 30 cars and other contain 12 cars. In this case, you can imagine which one is denser. Obviously, the parki...
If an astronaut has a mass of 112 kg, what is his weight on Earth where the acceleration due to gravity is 9.8 m/s{eq}^2 {/eq}? Gravitational Acceleration: The rate at which an item gains its velocity as it falls freely from a specific h...
Effect of gravity on earth surface: Earth attracts every object towards its center by the force of gravitation. The acceleration produced due to this force is termed as gravitational acceleration or 'gravity'. This acceleration is independent of t...
But if the star is very large this process of shrinking may be so intense that a black hole results. Imagine the earth reduced to the size of a marble, but still having the same mass and a stronger gravitational pull, and you have some idea of the force of a black hole. Any matter...