Introduction to First Law of Motion

Q.

When a carpet is beaten with a stick, dust will come out. Why does this happen?

1. First law of motion

2. Second law of motion

3. Third law of motion

4. Newton's law cannot explain this behaviour

Q.

What is the relationship between mass and inertia ? Discuss.

Q.

Can the dust out of a blanket be removed using the law of inertia?

Q. A ball rolling on a grass field comes to rest due to:

1. Friction
2. Density
3. Gravity
4. Acceleration

Q. When a batsman hits the ball, the force applied on the ball changes its velocity.

1. False
2. True

Q. For a rigid body, force cannot change its:

1. Speed
2. Direction
3. Shape
4. Position

Q. Inertia is defined only for objects at rest.

1. True
2. False

Q. The forces acting on a body are balanced, if the net force is equal to:

1. Infinity
2. 1 N
3. 0 N
4. 0.5 N