force and motion

Question 1

what is force defined as?

Answer 1

An object moving at constant velocity moves at the same speed without changing its direction of motion.

Question 2

what is a force described as in general terms?

Answer 2

“To Push or Pull an Object” is defined as the force.

Question 3

what can a force cause an item to do?

Answer 3

move from rest to motion and vice versa, change its speed or change shape

Question 4

what is the dimensional formula of force?

Answer 4

MLT²

Question 5

what are the effects of forces?

Answer 5

• Force can Change the Shape and Size of an Object
• Force can Change the direction of an Object
• Force can Change the Speed of an Object
• Force can change the state of Rest or Motion of an Object

Question 6

what happens to equal and opposing forces ?

Answer 6

cancel out which means the resultant force is zero

Question 7

examples of contact forces?

Answer 7

muscular forces and friction forces

Question 8

examples of non contact forces?

Answer 8

gravitational forces, electromagnetic forces and electrostatic forces

Question 9

what are non contact forces?

Answer 9

Non-contact forces are those that may act without coming into touch with an item.

Question 10

what are contact forces?

Answer 10

The forces which are applied to other objects only through physical touching are called contact forces.

Question 11

what are muscular forces?

Answer 11

• Muscular force is a contact force in which force is exerted by the muscles of the body.
• For example, jumping, kicking, running, walking

Question 12

what is the frictional force?

Answer 12

Frictional Force is a contact force that always opposes the body’s state of motion over another body

Question 13

what is the magnetic force?

Answer 13

Magnetic force is a non-contact force exerted by a magnet on any other magnetic substance

Question 14

what is the electrostatic force?

Answer 14

An electrostatic force is a non-contact force that can be exerted by a charged object on another object from a distance

Question 15

what is gravitational force?

Answer 15

The Gravitational force is a non-contact force between two bodies having some mass. It is an attractive force

Question 16

what is the line of action of a force?

Answer 16

The line of action of a force is the path it takes as it exerts its force on an object.

Question 17

what is newtons first law of motion?

Answer 17

A body in the state of rest stays at rest(stationary) and a body in the state of uniform motion(constant velocity) stays at uniform motion until and unless a net external force is applied

Question 18

what is the law of inertia?

Answer 18

The natural tendency of an object to resist a change in its state of rest or in its state of uniform motion is called Inertia.
It is the fundamental property of any object.