ECAT Pre Computer Science Chapter 3 online mcq test with answers for Physics chapter 3 (Motion and Force)

ECAT Physics Chapter 3 Motion and Force Online Test

Sr. #	Questions	Answers Choice
1	During the upward motion of the projectile, the vertical component of velocity.	Decreases Increases Remains constant None of these
2	If m means mass of gases objected per second from a rocket and v shows the change in velocity, than mv is named as:	Force Energy work impulse
3	Change in momentum is one second called.	Impulse Force Energy Work
4	The collision in which KE is conserved but momentum is not conserved is called:	Elastic collision Inelastic collision any these None of these
5	When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.	Becomes half Becomes zero Ramains same Becomes double
6	If two bodies of equal masses moving in the same direction collide elastically, then their velocities.	Are added Are subtracted Do not change Are exchanged
7	Acceleration in a body is always produced in the directin of:	Velocity Weight Force Botha B and C
8	A train cover 90 km in half an hour. the time taken by it to travel 15 km will be:	20 minutes 48 minutes 10 minutes 5 minutes
9	The path followed by the projectile is known as:	Cycle Hyperbola Trajectory Route
10	During the upward motion of the projectile, the vertical component of velocity:	Decreases Increases Remains constant None of these
11	Change in momentum is one second is called:	Impulse Force Energy Work
12	Which quantity has the same dimension as that of impulse?	KE Power Momentum Work
13	The product of force and time is called change in:	Momentum Impulse Force Both a and b
14	Newton's first law is also called:	Law of torque Law of force Law of inertia None of these
15	Acceleration in a body is always produced in the direction of :	Velocity Weight Force Both B and C

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