Class 9 Physics Competitive Exam MCQs – Practice Test 5 (Chapter 1)

Dynamics MCQs with Answers PDF – Test 5

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Download the "Dynamics MCQs" App: Two masses 7.5 kg and 6.7 kg are attached to the ends of an inextensible string passes over a frictionless pulley. Its tension when both masses are moving vertically will be equal to; MCQ with answers: 70.7 n, 50 n, 65.6 n, and 45 n. Solve Newtons Laws of Motion MCQ Questions, download Google e-Book (Free Chapter) to achieve better grades.

Dynamics MCQs PDF Download – Test 5

MCQ 21: If the bullet of mass 20 g is fired from a gun of 5 kg with a velocity of 100 ms^-1 then recoil of the gun is:

0.4 ms^-1
-0.4 ms^-1
1 ms^-1
2 ms^-1

MCQ 22: Two masses 7.5 kg and 6.7 kg are attached to the ends of an inextensible string passes over a frictionless pulley. Its tension when both masses are moving vertically will be equal to:

50 N
70.7 N
65.6 N
45 N

MCQ 23: The branch of mechanics that deals with the study of the motion of an object and the cause of its motion are called:

kinematics
dynamics
trinamics
friction

MCQ 24: The property due to which a body resists the change in its state is called:

inertia
friction
force
velocity

MCQ 25: Mass does not change with the change of place so it is a:

vector quantity
scalar quantity
fixed quantity
variable quantity

Dynamics MCQs App & e-Book – Class 9 Physics Competitive Exam

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