Force And Laws Of Motion Mock Tests

22 questions available

Force And Laws Of Motion Mock Test 1

Questions: 22

नमूना प्रश्न

Class 9 Science

A force acts on a body of mass 10 kg and changes its velocity from 2 m/s to 6 m/s. What is the change in momentum?

A 20 kg·m/s

B 40 kg·m/s

C 60 kg·m/s

D 80 kg·m/s

Class 9 Science

A body is acted upon by two forces: 10 N towards east and 6 N towards west. What is the net force?

A 16 N towards east

B 4 N towards east

C 4 N towards west

D 16 N towards west

Class 9 Science

According to Newton's third law of motion, action and reaction forces:

A act on the same body and cancel each other

B act on different bodies and do not cancel each other

C act on the same body and produce acceleration

D act on different bodies and always produce equilibrium

Class 9 Science

A body of mass 5 kg is accelerated from rest by a force of 20 N. What is its acceleration?

A 2 m/s²

B 4 m/s²

C 10 m/s²

D 100 m/s²

Class 9 Science

An object is placed on a table. According to Newton's third law of motion, if the object exerts a force on the table, then:

A The table does not exert any force on the object

B The table exerts an equal and opposite force on the object

C The table exerts a force greater than the object's force

D The table exerts a force only if the object is moving

Class 9 Science

A force of 50 N acts on a body of mass 10 kg for 4 seconds. The change in velocity of the body is:

A 10 m/s

B 20 m/s

C 50 m/s

D 200 m/s

Class 9 Science

What happens to the force of friction when the mass of a body sliding on a surface is doubled?

A It becomes half

B It remains the same

C It becomes double

D It becomes four times

Class 9 Science

What is the SI unit of force?

A Joule

B Newton

C Pascal

D Watt

Force And Laws Of Motion Mock Tests

Force And Laws Of Motion Mock Test 1

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