You push on a block on frictionless ice with a force of 8 N, causing it to accelerate at 2 m/s2. The mass of the block is...

Q: Three children are pulling on a toy box (5.5kg). Emma pulls with a force of 23N [E45°N], Miguel…

A:

Q: A physics student, in a stationary elevator, places a 250.0 g mass on an electronic balance. The…

A: Given  mass (m) =250.0 g balance reading (mb)=262.0 g Required acceleration of elevator (a)=?

Q: A 93300 kg train travels North with a constant speed of 7.78 m/s for 5 hours. The train's brakes are…

A:

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: A sled of mass 50 kg is pulled along snow- covered, flat ground. The static friction coeffi- cient…

A:

Q: • Pulling up on a rope, you lift a 7.27-kg bucket of water from a wellwith an acceleration of 1.24…

A: Let T denote the tension in the rope, m denote the mass of the bucket, and a denote the acceleration…

Q: It is friction that provides the force for a car to accelerate, so for high-performance cars the…

A: Given μs=1.00g=9.8Initial Speed u0=0m/sfinal Speed uf=80mph=80×16093600m/s=35.75m/s

Q: You want to hang an object from the ceiling of an elevator that has a maximum acceleration of 4.0…

A: Given: a=4 m/s2T = 45 Ng = 9.8 m/s2m=?

Q: Your shopping cart has a mass of 65 kilograms, In order to accelerate the shopping cart down an…

A: mass of shopping cart = M M = 65 Kg acceleration of shopping cart = 0.3 m/s2 Force required = F

Q: You step into the elevator on the ground floor of the Empire State Building. The elevator takes 4.0…

A: Given: The intial speed of the elevator is 0 m/s. The final speed of the elevator is 10 m/s. The…

Q: A boat moves through the water with two forces acting on it. one is a 1,575-N forward push by the…

A: Given  Forward Force F=1575N  Resistive force R=1200N Mass of boat m=1200kg Initial speed of boat…

Q: A 50kg person is traveling at 100km/hr. a) What's the force on him/her if he/she decelerates 200…

A: Given , Mass of person, m = 50 kg Initial velocity, u = 100km/hr = 27.78m/s A) acceleration =…

Q: 6) A box of 4Kg sits on a table. The box is not moving. a) What is the net acceleration on the box?…

A: Given data: Mass of the box m =4 kg

Q: An astronaut on the surface of Mars finds that a rock accelerates at 3.7 m/s when it is dropped. The…

A: Given,

Q: On planet X, a 5.0 X 101 kg bar can be lifted with a force of just 180 N. a. What is the…

A: Mass of bar = 50 kg  Force required to lift a bar = 180 N

Q: A single-celled animal called a paramecium propels itself quite rapidly through water using its…

A: Given: Drag coefficient b = 0.330 kg/mSpeed v = 0.000137 m/sNow, the drag force is fd = -bv2As it is…

Q: Christmas light hangs on a series of strings as shown in the figure below. The tension on string ?,…

A: A Christmas light hangs on a series of strings as shown in the figure below. The tension on string

Q: 2. A man pushes two boxes with the same amount of force (because they look identical and he can't…

A: Given:- let the two box A and B  Let the mass (m) of the boxes is the same and one of the boxes (B)…

Q: What cart? Two forces are applied to a 2.0 kg block on a frictionless, horizontal surface. F, = 2.0…

A: Given: Mass of the block (m) = 2.0 kg Force (F1) = 2.0 N, towards left Force (F2) = 8.0 N, towards…

Q: 1. A force of 1000 dynes produced an acceleration of 250 centimeters per second'. What was the mass…

A: Given data: Force F = 1000 dynes Acceleration a =250 cm/s2

Q: A stalled car is being pushed up a hil by 3 people, and it is moving at a constant speed. the net…

A: Mathematical Proof Object is moving with constant velocity v = k m/s So the change in velocity Δv= 0…

Q: I hate to burst your bubble, but this video is fake.  There’s a battery powered skateboard hidden in…

A: (1) Let Fnet denotes the net force needed to move the skateboard at an acceleration a and m denotes…

Q: 5. The net force on a 3.7 kg RC airplane is 7.0 N. What is the acceleration of the airplane? m: a :

A: Given: The mass of the RC airplane is 3.7 kg. The net force is 7 N.

Q: You have landed on an unknown planet, Newtonia, and want to know what objects will weigh there. You…

A: The mass of the object will remain same on Earth and Newtonia.

Q: You work at a garden store for the summer. You lift a bag of fertilizer with a force of 122 N, and…

A: To solve the question, we need to take the weight of the bag into count.

Q: Which car will accelerate faster, (A) a 500 kg car with a 145 kg engine exerting 12,000N of force;…

A: Given, 500 kg car with 145 kg engine exerting 12,000 N force and 500 kg with 120 kg engine exerting…

Q: A model rocket is launched up with a thrust of 44.2 N. At one point in its upward flight, the air…

A:

Q: An object accelerates 7.2 m/s2 when a force of 4.0 newtons is applied to it. What is the mass of the…

A:

Q: what is force and what are the 2 categories they can fall into?

A: A force is a push or pull upon an object resulting from the object's interaction with another…

Q: A 35.0 kg girl swings on a swingset. At the bottom of the swing's path, she feels as though she…

A:

Q: hat should he do to move his car efficiently through this terrain? ii. Which of the laws of motion…

A: A driver in a car with narrow tires finds himself in a sandy environment, what should he do to move…

Q: Does changing the mass of the object affect the acceleration? I was to conduct an experiment…

A: To explain : Does the acceleration of an object change if we change the mass of an object in an…

Q: Q1/ Due to a jaw injury, a patient must wear a strap as in the figure below that produces a net…

A:

Q: A force F produces an acceleration a on an object of mass m. A force 3F is exerted on a second…

A: Answer:- We know that  Newton's second laws of motion  For first object  F = m × a ---------- (1)…

Q: It takes the elevator in a skyscraper 4.0 s to reach its cruising speed of 10 m/s. A 60 kg passenger…

A: Given data: Time taken by the elevator, t=4.0 s Cruising speed is v=10 m/s Mass of passenger is m=60…

Q: The acceleration due to gravity on Titan, Saturn's largest moon, is about 1.4 m/s2. What would a 35…

A: Given values: Acceleration due to gravity on titan,gT=1.4 m/s2 Mass of scientific instrument, m=35…

Q: what is the acceleration experienced by the rock, due to this force alone?

A: Given data: The mass of a rocket is: m=4.62×104 kg The force due to rocket on the rock is: F=3300 N…

Q: You want to hang an object from the ceiling of an elevator that has a maximum acceleration of 4.0…

A: Given :T=45 Na=4 m/s2

Q: It's a snowy day and you're pulling a friend along a level road on a sled. You've both been taking…

A:

Q: A physics student, in a stationary elevator, places a 220.0 g mass on an electronic balance. The…

A: Given When elevator is at rest Mass = 220.0 g When elevator accelerated at 'a' (let) Reading = 292.0…

Q: e Copy st to 35m/s in 5.3 seconds. The car exerts a 3. A sports car acce force of 4123N. What is the…

A:

Q: How much force does a 0.25 kg apple have with an acceleration of 9.8 m/s?? m: a : F:

A: Given data: Apple's mass m = 0.25 kg acceleration a = 9.8 m/s2 The question is asking to calculate…

Q: There is a 31.5 kg box sitting on the shelf. 1 lb=4.448 N a) What is the box's weight in N? b)…

A: The weight of an object of mass m is, W=mg, where g = 9.81 m/s2 is the gravitational acceleration.

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”