A mechanic uses an ideal pulley system such as the one shown in the figure below to support a car engine of mass 177 kg. MA = 2 (a) Determine the tension in the rope. N (b) Determine the force the ceiling must supply, assuming you pull straight down on the rope. magnitude direction -Select--

Q: In (Figure 1), an 86 kg construction worker sits down 2.5 m from the end of a 1450 kg steel beam to…

A:

Q: 2. A 3 kg ladder is leaning on a wall. If a load P = 30 N is applied vertically on the ladder as…

A: Force P=30 N is in the downward direction of a m=3 kg ladder. Let the normal forces at A and B be NA…

Q: The drawing below shows a person whose weight is W = 552 N doing push-ups.   Assume L1 = 0.871 m and…

A: The equilibrium torque about foot is,

Q: 258 TOPIC 8 | Rotat 23. BIO A person bending forward to lift a load "with his back" eg (Fig. P8.23a)…

A: (23) (a) Given: The weight of the object is 200 N. The weight of the horizontal rod is 350 N.…

Q: 4. The figure below shows a bird feeder that weighs 141.9 N. The feeder is supported by a vertical…

A: Given: The weight of the bird feeder is 141.9 N. The system is in equilibrium. The free-body diagram…

Q: Two people (a child and parent) are sitting on a teeter-totter of length L = 3 m and mass m = 10 kg.…

A:

Q: 1.) The pin shown below is subjected to 3 forces (F1, F2 and F3). F1 = 1000 N and is a force in the…

A: Given that: F1=1000 NF3=450 NF2=800 N

Q: 1. The scaffold S is raised by moving the roller at A toward the pin at B. Roller A is approaching B…

A: Given: The speed is 1.5 ft/s

Q: A block of wood with mass 1kg is clamped to a vertical board with a force of 10N. What is the…

A: Draw the free-body diagram of the block.

Q: A ski lift is pulling a skier up a hill. The coefficient of friction is 0.4. The operators want the…

A:

Q: 2. A rope 30m long is attached to two points A and B, 26m apart at the same level. A load of 220 N…

A: Given data: Length of rope l = 30m Distance between A and B, d = 26 m Load, W = 220 N

Q: 7. Billy Bob is trying to decide whether to push a 50 kg dresser up a 4.5 m ramp of lift the back of…

A: Given: The mass of the dresser is m=50 kg. The height of the floor of the truck from the ground is…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: