Why we tend to fall forward when a car stops suddenly?

Q: If the motion can only be defined by the movement of the center of mass and the rotation of the…

A: Given : The motion can only be defined by the movement of the center of mass. The rotation of the…

Q: Two girls, X and Y, are seated on identical skateboards on a smooth, horizontal surface. The masses…

A: When X pushes Y,            From Newton's Third law of motion ,every action has equal and opposite…

Q: A 3 kg box is displaced at a rate of 5 m/s. How much force is required to stop the box in 0.8…

A: The acceleration is given by  a =v - ut where,  v is the final velocity, u is the initial velocity,…

Q: Which option would you prefer if the rocks were to fall out one by one through a hole in the car's…

A: please see the next step for solution

Q: When a catcher in a baseball game catches a fast ball, he does not hold his arms rigid, but relaxes…

A: Given:-  When a catcher in a baseball game catches a fastball, he does not hold his arms rigid but…

Q: 10 kg weight starts at rest and then pushed rightly by a force of 59 N for 8 s on a horizontal,…

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Q: Let's say you hop on a see-saw with your little cousin. Your mass is 50 kg, and your cousin's is 25…

A: If you and your cousin each sit 3 meters from the fulcrum of the see-saw, the see-saw will balance…

Q: The airbag in the car shortens the time of a passengers impact during a collision. True or false…

A: The air bag on the car increases the time of impact. During a collision, the motion of the driver…

Q: Four objects are held in position at the corners of a rectangle by light rods as shown in the figure…

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Q: What is the center of mass of the distribution shown below. 10 3kg Skg 7 4 3 2 +→x(m) 1234.5.678910

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Q: = 3 m = 3 m == 3 m = = (-5i+2j+10k} Newtons F A В D |G ! F b-

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Q: . You push a small block that is in contact with a larger block. While the two blocks are in…

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Q: Consider two scenarios. A ball of weight 10 N rolls on the floor and a block of weig 10 N slides on…

A: Sliding frictional force is greater than rolling friction.Hence applied force should be large to set…

Q: Select the incorrect statement about a collision between two figure skaters on ice with no external…

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Q: An object of mass (0.5 kg) falls from a height of (180 cm) to reach the surface of the earth, and…

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Q: NGVIGW T OnstanmIS Draw a free-body diagram for the bowling ball during the collision. Draw the…

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Q: A 50-kg swimmer dives horizontally off a 450-kg raft. If the diver's speed immediately after leaving…

A: Given value--- mass of swimmer = 50 kg. mass of raft = 450 kg. speed of swimmer = 3 m/s. We have…

Q: An archer aims her arrow directly at the stem of a coconut hanging from a nearby palm tree in hopes…

A: An Archer aiming at a coconut on the coconut tree. The coconut falls down as the arrow is released.…

Q: 50 N 2.5 m 2.5 m 130 N The massless beam shown in the figure in equilibrium?

A: A massless beam is shown in the figure.

Q: If the resultant of all the external forces acting on a system of particles is zero, then from an…

A: Option (a) is correct.

Q: A small squishy ball is thrown against the side of a large cube of concrete. While the objects are…

A: From Newton’s third law of motion, the action and reaction pair are equal in magnitude.

Q: A whole brick has more mass than half a brick, thus the wholebrick is harder to accelerate. Why…

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Q: The center of mass only lies on the x-axis O True False

A: Center of mass is define as a distribution of mass in space in the unique point where the weighted…

Q: while sitting inside a boat you are pulling another identical boat with a rope. As a result of that…

A: The identical empty boat will have greater speed.

Q: Brandon stands at rest with both feet on a scale that reads 638 N. When he gently lifts one foot,…

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Q: Cable 1 40 N Cable 2 1 m A uniform 50 N beam that is 10 m long is suspended horizontally by two…

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Q: . Since a bucket of water is “weightless” in space, would it hurt tokick the bucket? Explain.

A: A bucket in space

Q: Three cars (car F, car G, and car H) are moving with the same speed and slam on their brakes. The…

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Q: The masses are backwards on the 2 blocks, so the 30kg block is m2 the block on the ramp.

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Q: What are factors that will affect high jump performance? Select an answer and submit. For keyboard…

A: High jump is an athletics event that requires the athlete to clear a horizontal bar placed at a…

Q: A boy and a girl are just standing on a frozen lakeThe girl pushes the boy. The boy speed of 4.64…

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Q: Why Is It Dangerous To Jump Out Of A Moving Bus?

A: The inertia of motion causes the passenger of a bus to fall down or temporarily lose his balance as…