science
Grade-11
Easy
Question
Before Galileo, it was believed _______ is required to keep a body in uniform motion
- Mass
- MOmentum
- External force
- none
The correct answer is: External force
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Inertia is that property of a body by virtue of which
Inertia is that property of a body by virtue of which
scienceGrade-11
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A lunchbox with a mass of 800 g is at rest on the floor. It is given a kick and it moves off with a speed of 5.0 m s–1. If the frictional force is 2.352 N, how far will the box slide before it comes to rest?
A lunchbox with a mass of 800 g is at rest on the floor. It is given a kick and it moves off with a speed of 5.0 m s–1. If the frictional force is 2.352 N, how far will the box slide before it comes to rest?
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A horizontal force of 5.0 N is applied to a 1.0kg wooden box resting on a laminate benchtop. If the friction is 2.94 N, calculate the acceleration of the box
A horizontal force of 5.0 N is applied to a 1.0kg wooden box resting on a laminate benchtop. If the friction is 2.94 N, calculate the acceleration of the box
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The seat belts are provided in the cars so that if the car stops suddenly due to an emergency braking, the persons sitting on the front seats are not thrown forward violently and saved from getting injured. Can you guess the law due to which a person falls in the forward direction on the sudden stopping of the car?
The seat belts are provided in the cars so that if the car stops suddenly due to an emergency braking, the persons sitting on the front seats are not thrown forward violently and saved from getting injured. Can you guess the law due to which a person falls in the forward direction on the sudden stopping of the car?
scienceGrade-11
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A student is sitting on a chair. One force that is acting on the student is the pull of gravity. According to Newton’s third law, there must be another force acting, which is
A student is sitting on a chair. One force that is acting on the student is the pull of gravity. According to Newton’s third law, there must be another force acting, which is
scienceGrade-11
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________ friction ends with the beginning of _________ friction.
________ friction ends with the beginning of _________ friction.
scienceGrade-11
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A person may fall due to _________ friction
A person may fall due to _________ friction
scienceGrade-11
science
Spikes are provided in the shoes of players to _________ friction
Spikes are provided in the shoes of players to _________ friction
scienceGrade-11
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________ are used to increase friction
________ are used to increase friction
scienceGrade-11
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Walking on slippery ground is difficult because frictional force is _________
Walking on slippery ground is difficult because frictional force is _________
scienceGrade-11
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Minimum value of friction is called
Minimum value of friction is called
scienceGrade-11
science
Friction can be reduced by
Friction can be reduced by
scienceGrade-11
science
A boy pushes a wooden plank (mass 50 kg) with a constant force of 105 N. A constant frictional force of 40 N is present. Determine the resultant force?
A boy pushes a wooden plank (mass 50 kg) with a constant force of 105 N. A constant frictional force of 40 N is present. Determine the resultant force?
scienceGrade-11
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The gravitational pull of the Earth on a body is called its _________
The gravitational pull of the Earth on a body is called its _________
scienceGrade-11
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The tires of vehicles also wear out gradually due to _________ with the road.
The tires of vehicles also wear out gradually due to _________ with the road.
scienceGrade-11
