ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 3 Motion and Force

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Physics ECAT Pre Engineering Chapter 3 Motion and Force

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Question # 1

The product of force and time is called

Question # 2

A 5 kg mass is falling freely, the force acting on, it will be

Question # 3

The slopes of the tangent at any point on the curve gives the value of the

Question # 4

Acceleration in a body is always produced in the directin of:

Question # 5

At the top of the trajectory of a projectile the acceleration is

Question # 6

The time rate of change of displacement is called:

Question # 7

What must be changing when a body is accelerating uniformly?

Question # 8

When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.

Question # 9

The mass of a body measured by a physical balance in a lift at rest is found to be m, if the lift is going up with an acceleration a, its mass will be measured as

Question # 10

A ball is dropped from a height of 4.2 meters. To what height will take it rise if there is no loss of KE after rebounding?

Question # 11

A boat of mass 40 kg is at rest, A dog of mass 4 kg moves in the boat with a velocity of 10 m/s. What is the velocity of boat?

Question # 12

Tick the conservative force:

Question # 13

An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then

Question # 14

The motion of a body in a straight line is the motion in

Question # 15

Work done along a closed path in a gravitational force is:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Work done along a closed path in a gravitational force is:
A. maximum
B. Minimum
C. Zero
D. Unity
2 A car travels first half distance between two places with a speed of 30 km/h and remaining half with a speed of 50 km/h. The average speed of the car is
A. 37.5 km/h
B. 10 km/h
C. 42 km/h
D. 40 km/h
3 Bodies which falls freely under gravity provides good example of motion under:
A. Uniform acceleration
B. Non-uniform acceleration
C. Uniform velocity
D. None of these
4 The second law gives the relationship between
A. mass and velocity
B. force and acceleration
C. velocity and acceleration
D. mass and weight
5 Slope of velocity-time graph represents:
A. Acceleration
B. Speed
C. Torque
D. Work
6 The instantaneous velocity is define as the limiting value of Δd/Δt on the time intervalΔt approaches to
A. zero
B. maximum
C. minimum
D. infinity
7 A typical rocket consists of fuel
A. more than 60% of launch mass
B. less than 60% of launch mass
C. less than 80% of launch mass
D. more than 80% of launch mass
8 In the expression F x t, the force F is
A. total force
B. instantaneous force
C. average force
D. all of them
9 The product of force and time is called
A. acceleration
B. linear momentum
C. angular momentum
D. impulse
10 Acceleration produced in a body by a force varies
A. inversely as the applied force
B. directly as the applied force
C. directly as the mass of the body
D. none of them

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