Two crates connected by a rope of negligible mass lie on a horizontal surface. (Figure 1) Crate A has mass mA and crate B has mass mB. The coefficient of kinetic friction between each crate and the surface is μk. The crates are pulled to the right at a constant velocity of 3.20 cm/s by a horizontal force F→. 1.Make a free-body diagram for crate A. Complete the free-body diagram by starting each vector at the center of crate A. The starting point and orientation of the vectors will be graded. The length of the vectors will not be graded. 2. Make a free-body diagram for crate BB. Complete the free-body diagram by starting each vector at the center of crate BB. The starting point and orientation of the vectors will be graded. The length of the vectors will not be graded. 3.Calculate the magnitude of the force F→. Express your answer in terms of mA, mB, and μk and any necessary constants. 4. Calculate the tension in the rope connecting the blocks. Express your answer in terms of mA, mB, and μk and any necessary constants.
Gravitational force
In nature, every object is attracted by every other object. This phenomenon is called gravity. The force associated with gravity is called gravitational force. The gravitational force is the weakest force that exists in nature. The gravitational force is always attractive.
Acceleration Due to Gravity
In fundamental physics, gravity or gravitational force is the universal attractive force acting between all the matters that exist or exhibit. It is the weakest known force. Therefore no internal changes in an object occurs due to this force. On the other hand, it has control over the trajectories of bodies in the solar system and in the universe due to its vast scope and universal action. The free fall of objects on Earth and the motions of celestial bodies, according to Newton, are both determined by the same force. It was Newton who put forward that the moon is held by a strong attractive force exerted by the Earth which makes it revolve in a straight line. He was sure that this force is similar to the downward force which Earth exerts on all the objects on it.
Two crates connected by a rope of negligible mass lie on a horizontal surface. (Figure 1) Crate A has mass mA and crate B has mass mB. The coefficient of kinetic friction between each crate and the surface is μk. The crates are pulled to the right at a constant velocity of 3.20 cm/s by a horizontal force F→.
1.Make a free-body diagram for crate A.
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