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- 4. In the diagram at the right, a 12-kg mass is acted on by two forces. Fi is the applied force and acts to a= 7.5 15.5 0=0.6'mls the right. Fz is the frictional force and acts to the left. The magnitude of the forces is as shown 12 Kg What is the mognitude of the occeleretion of the mass?1. What are the SI units of mass, acceleration, weight, and force? 2. List 3 types of contact forces and one long-range force (names and symbols). 3. What are the conditions for equilibrium (words and equations)? 4. A force is applied to a rope that is connected to two other ropes as shown. Draw a free body diagram for the O-ring connecting all 3 ropes and use Newton’s 1st Law to calculate the tensions in ropes 1 and 2.7. Below is a diagram of a Newton's second Law experiment you did this term. The coefficient of kinetic friction, uk, between the cart (mcart = 400.0g) and the table is 0.115. The hanging mass is 60.00 grams. (a) Draw two free body diagrams one for the hanging mass and the other for the cart. (b) Determine the acceleration of the cart and the tension in the string.
- Two blocks A and B are in contact with each other on a table without friction. A horizontalforce equal to 3 Newtons is applied to block A (the larger block).a) If M_a =4kg and M_b=1 kg Find the magnitude of the force between the blocksb) If now the force is applied to block B (instead of A), what is the force between theblocks?c) Explain in your own words what happened (the results of (a) and (b)3. A box of 20 kg is resting on a slope as shown in the diagram. 30° a) Label all the forces acting on the box. b) Calculate the normal reaction force the slope exerts on the box.