science
Grade-11
Easy
Question
A body moving at a certain speed will continue to move at the same speed if no external force is applied” this was firstly observed by
- Newton
- Nelson
- Galileo
- none
The correct answer is: Galileo
Related Questions to study
science
Force acting between two charges are
Force acting between two charges are
scienceGrade-11
science
When a child shake a tree vigorously its leaves start to fall because of
When a child shake a tree vigorously its leaves start to fall because of
scienceGrade-11
science
When the surface in contact is made too smooth by polishing, the force of friction
When the surface in contact is made too smooth by polishing, the force of friction
scienceGrade-11
science
Which of the following is a self-adjusting force.
Which of the following is a self-adjusting force.
scienceGrade-11
science
A lunchbox with a mass of 1 kg is at rest on the floor. It is given a kick and it moves off with a speed of 10.0 m s–1. If the frictional force is 2 N, how far will the box slide before it comes to rest?
A lunchbox with a mass of 1 kg is at rest on the floor. It is given a kick and it moves off with a speed of 10.0 m s–1. If the frictional force is 2 N, how far will the box slide before it comes to rest?
scienceGrade-11
science
Accelerated motion is always due to
Accelerated motion is always due to
scienceGrade-11
science
A horse applied a horizontal force of 60 N on a wooden cart of mass 20 kg that is resting on the ground. If the friction is 5 N, calculate the acceleration of the box.
A horse applied a horizontal force of 60 N on a wooden cart of mass 20 kg that is resting on the ground. If the friction is 5 N, calculate the acceleration of the box.
scienceGrade-11
science
The value of the universal gravitational constant is?
The value of the universal gravitational constant is?
scienceGrade-11
science
A boy pushes a shopping trolley (mass 15 kg) with a constant force of 75 N. A constant frictional force of 20 N is present. Determine the resultant force?
A boy pushes a shopping trolley (mass 15 kg) with a constant force of 75 N. A constant frictional force of 20 N is present. Determine the resultant force?
scienceGrade-11
science
A book of mass 2 kg is lying on a table. A boy applied a force in a forwarding direction. choose a labeled force diagram indicating all the forces on the book.
A book of mass 2 kg is lying on a table. A boy applied a force in a forwarding direction. choose a labeled force diagram indicating all the forces on the book.
scienceGrade-11
science
A water tank filled up to 1/3 of its height is moving at a uniform speed. On sudden application of the brake, the water in the tank would
A water tank filled up to 1/3 of its height is moving at a uniform speed. On sudden application of the brake, the water in the tank would
scienceGrade-11
science
Identify which one of the following forces is a contact force.
Identify which one of the following forces is a contact force.
scienceGrade-11
science
A car (mass 1200 kg) applies a force of 2000 N on a trailer (mass 250kg). A constant frictional force of 200 N is acting on the trailer, and 300 N is acting on the car. Choose correct free body diagram of all the horizontal forces acting on the trailer.
A car (mass 1200 kg) applies a force of 2000 N on a trailer (mass 250kg). A constant frictional force of 200 N is acting on the trailer, and 300 N is acting on the car. Choose correct free body diagram of all the horizontal forces acting on the trailer.
scienceGrade-11
science
Choose the correct free body diagram
Choose the correct free body diagram
scienceGrade-11
science
Why does a horse rider falls back when the horse starts to run all of a sudden?
Why does a horse rider falls back when the horse starts to run all of a sudden?
scienceGrade-11
