A 20 kg fish tank is placed on a shelf. The shelf is 1.5 m long...
A 20 kg fish tank is placed on a shelf. The shelf is 1.5 m long and is supported on each end by brackets mounted to the wall behind the shelf. The center of the tank is located 0.75 m from the left end. What force must the right bracket apply to the shelf to be in equilibrium?
Homework Answers
1. A 10 kg, 2 m long board is placed on two supports. One is at...
1. A 10 kg, 2 m long board is placed on two supports. One is at the left end the other is 1.5 m to the right of the first. You have two boxes. One with a mass of 2.0 kg, and one with a mass of 4.0 kg. A. If the 2 kg box is 0.5 m from the left end and the 4 kg box is at the right end, what is the location of the center of...
A 7.3 kg ladder, 1.92 m long, rests on two sawhorses, as shown in Figure 20....
A 7.3 kg ladder, 1.92 m long, rests on two sawhorses, as shown in Figure 20. Sawhorse A, on the left, is located 0.30 m from the end, and sawhorse B, on the right, is located 0.45 m from the other end. Choose the axis of rotation to be the center of mass of the ladder. a What are the torques acting on the ladder? b. Write the equation for rotational equilibrium. C. Solve the equation for FA in terms...
torque rotational equilibrium 2. A 10 kg cat walks along a 3 m long plank with...
torque rotational equilibrium
2. A 10 kg cat walks along a 3 m long plank with a mass of 4 kg that is supported by two sawhorses. The right sawhorse is 0.7 m from the end of the plank. How far from the end of the right sawhorse can she walk before tipping the plank over. 3. Nintendo has designed a new minigame for the next Sonic Party. In the game, players have to balance a rigid body. Where should...
A 14 m beam is supported in the middle. A 13 kg mass is on the...
A 14 m beam is supported in the middle. A 13 kg mass is on the left end. What mass in kg must be located at a point 5 metres from the right end in order to produce equilibrium?
A 100 kg nonuniform boom, 6.0 m long, is loosely pinned at the pivot at P....
A 100 kg nonuniform boom, 6.0 m long, is loosely pinned at the pivot at P. A 700 kg block is suspended from the end of the boom at A. The boom forms a 30 degree angle with the horizontal, and is supported by a cable, 4.0 m long, between points D and B. Point B is 4.0 m from P, and point D is 4.0 m above P. The center of mass of the boom is at point C,...
A 55.5 kg uniform board 2.5 m long is supported by a pivot 93 cm from...
A 55.5 kg uniform board 2.5 m long is supported by a pivot 93 cm from the left end and by a scale at the right end. At what distance X from the left end should a 22.9 kg mass M be placed if the scale is to read zero?
A 49.6 kg man walks to the end of a 31.9 kg, 13.0 m long diving...
A 49.6 kg man walks to the end of a 31.9 kg, 13.0 m long diving board, that is being supported at two points separated by a distance X = 3.91 m. How big of a force is needed on the far left side, so that the diver can make it to the end of the board? (this is the force of the 'push pin' in the image shown here) Q#2. What is the force on the support closer...
You decide to hang a plant from a 1.5-m-long 2.9-kghorizontal beam that is attached by a...
You decide to hang a plant from a 1.5-m-long 2.9-kghorizontal beam that is attached by a hinge to the wall on the left. A cable attached to the right end goes 35 ∘above the beam to a connecting point above the hinge on the wall. You hang a 100-N pot from the beam 1.4 maway from the wall. What is the force that the cable exerts on the beam?
1) A diver stand on top of a 4.6 m long diving board. The diving board...
1) A diver stand on top of a 4.6 m long diving board. The diving board is supported by the two brackets as shown in the picture above. The diver has a mass of 50 kg (a) What is the value and direction of the force each bracket exerts on the diving board (b) If the diver backs away from the edge of the diving board, what will happen to these two forces? Justify your answer. (c) If the bars...
A 5.0 kg cat and a 2.5 kg bowl of tuna fish are at opposite ends of a 4.0-m-long...continues
A 5.0 kg cat and a 2.5 kg bowl of tuna fish are at opposite ends of a 4.0-m-long seesaw. How far to the left of the pivot must a 3.9 kg cat stand to keep the seesawbalanced?
torque rotational equilibrium
2. A 10 kg cat walks along a 3 m long plank with a mass of 4 kg that is supported by two sawhorses. The right sawhorse is 0.7 m from the end of the plank. How far from the end of the right sawhorse can she walk before tipping the plank over. 3. Nintendo has designed a new minigame for the next Sonic Party. In the game, players have to balance a rigid body. Where should...
A 100 kg nonuniform boom, 6.0 m long, is loosely pinned at the pivot at P. A 700 kg block is suspended from the end of the boom at A. The boom forms a 30 degree angle with the horizontal, and is supported by a cable, 4.0 m long, between points D and B. Point B is 4.0 m from P, and point D is 4.0 m above P. The center of mass of the boom is at point C,...
1) A diver stand on top of a 4.6 m long diving board. The diving board is supported by the two brackets as shown in the picture above. The diver has a mass of 50 kg (a) What is the value and direction of the force each bracket exerts on the diving board (b) If the diver backs away from the edge of the diving board, what will happen to these two forces? Justify your answer. (c) If the bars...
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