The coefficient of friction for plastic on wood are 0.50 (static) and 0.40(kinetic) . How much horizontal force would you need to apply to a 1.75 pounds plastic calculator to start it moving from rest? (1 pound = 4.45 Newtons)

Q: 1. a) A catcher stops a 0.15-kg ball traveling at 40 m/s in a distance of 20 cm. What is the…

A: Given:- The mass of the ball is m = 0.15 kg. The speed of the ball is v = 40 m/s  The distance the…

Q: A 2-kg body of mass is moving on a horizontal frictionless surface with a velocity of 4 m/s. What is…

A: Mass of body (m) = 2 kg velocity (v) = 4 m/s time (t) = 5 seconds

Q: 17. Two packages are connected by a very light string that goes over an ideal pulley as shown in the…

A: mass of package, mA=3 Kg the angle of inclination of the rough plane, θ=30° coefficient of friction…

Q: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

A: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

Q: A picture with a mass of 0.30kg is hung from a wall. The single wire that the picture is suspended…

A:

Q: A 0.75-kg cart is pulled along a horizontal track by a rope. The rope m of 30 degrees to the…

A:

Q: A crate that weighs w = 110 N is located on a rough surface. When a force Fapplied = 40 N is exerted…

A: As per guidelines only 3 subparts are solved here. Given, Weight, W = 110 N Fapplied = 40 N

Q: A box started at rest but was moved at a speed of 5 m/s. It was pushed 3 meters up a 60° ramp. The…

A: The mass of the box is m = 5.6 kg. The inclination of the plane with the horizontal is θ = 60…

Q: What is the direction of the net force, expressed as an angle in degrees measured clockwise relative…

A:

Q: 4.10 ●● A dockworker applies a constant horizontal force of 80.0 N to a block of ice on a smooth…

A:

Q: You drive an automobile of mass 2.10 x 103 kg from sea level to the top of a mountain 2.05 km high.…

A: Given: mass of automobile m= 2.10× 103 kg Height at which automobile reached from sea level h = 2.05…

Q: A 1070-kg car is being pulled up a frictionless ramp at a constant speed, as shown in the figure.…

A:

Q: A horizontal force of magnitude F = 57.5 N pushes on a block of mass m = 4.7 kg. The block is on a…

A: The given situation can be represented as

Q: A 1,200-N crate is being pushed across a level floor at a constant speed by a force F of 260 N at an…

A:

Q: A 1,040-N crate is being pushed across a level floor at a constant speed by a force F of 390 N at an…

A: Frictional force is given as f=uN=uMg…

Q: What is the coefficient of friction between the tires and the surface?

A: Giiven: m= 2500 kg  Initial velocity =vi=14.0 m/s  Final velocity= 0 m/s  accelerartion due to…

Q: A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a…

A:

Q: tow-truck pulls a 1500 kg car using a steel cable that makes a 25° angle with the horizontal, as…

A:

Q: A dockworker applies a constant horizontal force of 71.0N to a block of ice on a smooth horizontal…

A: According to the given data F=70 N S=10.5m t=4.80 sec. We need to find What is the mass of the…

Q: A heavy crate is suspended from two ropes as it is lowered from a high shelf to the floor at a…

A: Given data: The tension in one rope is T1=653 N. The angle made by one rope is θ1=26.5°. The angle…

Q: A 1250 kg boat is traveling at 90 km/h when its engine is shut off. The magnitude of the frictional…

A: Using Newton’s second law of motion,

Q: A heavy crate is suspended from two ropes as it is lowered from a high shelf to the floor at a…

A: SOlution: Given that T = 950 N angle1 = 28.2 degrees angle2 = 33.7 degrees

Q: ng from the middle of a clothesline. The rope is attached at equal heights 24 units apart and the…

A: We know that here we have given that the rock hanging on the middle of the clothesline and the entre…

Q: A 5kg crate is simultaneously acted upon by a force of 60N acting to the right that is parallel to…

A:

Q: A 128 lb person steps into an elevator at the ground floor. The elevator accelerates upward at 5.0…

A:

Q: A 1.2 kg crate slides down a 300 ramp with a height of 2.77. The crate has a speed of 2.90 m/s at…

A: mass of crate (m) = 1.2 kg Angle of ramp (θ) = 30oHeight (h) = 2.77 m speed of crate at the bottom…

Q: A crate starts from rest and slides 8.05 m down a ramp. When it reaches the bottom it is traveling…

A: The change in velocity of the body must be due to acceleration, so acceleration can be calculated…

Q: A 1,480-N crate is being pushed across a level floor at a constant speed by a force F of 350 N at an…

A: Given value--- Weight = 1480 N. force = 350 N. angle = 20 degree . We have to find--- (a) What is…

Q: Block A has a mass of 3.00 kg and block B has a mass of 8.00kg. The two blocks are stacked on the…

A: Solution: The free-body diagram and the forces acting on the system is given below.

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: