For video Solutions
Go to our YouTube Channel,
Part 1
A body at rest which have:
(a) Energy
(b) Power
(c) Momentum
(d) Velocity
Ans a
The ........ is defined as the ability to do the work
A) Work
B) Energy
C) Power
D) None of them
Ans b
Joule is the unit of:
(a)Mass
(b) Work
(c) Energy
(d) Velocity
Ans b
Newton-metre is the unit of:
(a) Speed
(b) Energy
(c) Gravitational intensity
(d) Work
Ans d.
Work done is measured by:
(a) force x distance
(b) mass x velocity
(c) force x energy
(d) none of the these
Ans a
............defined as the energy possessed by the body, by the virtue of its motion
A) Potential energy
B) kinetic energy
C) Mechanical energy
D) None of them
Ans b
............defined as the energy possessed by the body, by the virtue of its shape and position.
A) Potential energy
B) kinetic energy
C) Mechanical energy
D) None of them
Ans a
The unit of work is joule. The other physical quantity that has same unit is
(a) power
(b) velocity
(c) energy
(d) force
Ans c
The potential energy of a girl is maximum
A) sleeping on the ground
B) standing
C) sitting on the ground
D) sitting on the chair
Ans b
A flying aeroplane possesses
(a)Only potential energy
(b) Only kinetic energy
(c) Both potential and kinetic energy
(d) None of these
Ans c
The energy possessed by an oscillating pendulum of a clock is
(a) kinetic energy
(b) potential energy
(c) restoring energy
(d) mechanical
Ans d
An object at rest may have __________.
A) speed
B) velocity
C) energy
D) acceleration
Ans c
In hydro electricity generation, water stored in a dam possesses:
A) electrical energy
B) chemical energy
C) thermal energy
D) potential energy
Ans d
The kinetic energy of a body is increased most by doubling its:
(a) Speed
(b) Density
(c) Weight
(d) Mass
Ans a
Part 2
The gravitational potential energy of an object is due to
(a) its mass
(b) its acceleration due to gravity
(c) its height above the earth�s surface
(d) all of the above.
Ans d
Work means:
(A) effort
(B) interview
(C) achievement
(D) get-together
Ans c
Work done -
(A) is always positive
(B) is always nagative
(C) can be positive, negative or zero
(D) none of these
Ans c
Work done upon a body is-
(A) a vector quantity
(B) a scalar quantity
(C) (A) and (B) both are correct
(D) none of these
Ans b
Types of mechanical energy are:
(A) kinetic energy only
(B) potential energy only
(C) kinetic energy and potential energy both
(D) neither kinetic energy nor potential energy
Ans c
In tug of war work done by winning team is :
(A) zero
(B) positive
(C) negative
(D) none of these
Ans b
In tug of war work done by loosing team is :
(A) zero
(B) positive
(C) negative
(D) none of these
Ans c
Work done by the force of gravity, when a body is lifted to height h above the ground is :
(A) zero
(B) positive
(C) negative
(D) none of these
Ans c
When work is done on a body:
(A) it gains energy
(B) it looses energy
(C) its energy remains constant
(D) none of these
Ans a
When you compress a spring you do work on it. The elastic potential energy of the spring-
(A) increases
(B) decreases
(C) disappears
(D) remains constant
Ans a
When a ball is thrown upward, its total energy-
(A) increases
(B) decreases
(C) remains same
(D) none of these
Ans c
A device which converts mechanical energy into electrical energy is known as- (A) electric motor
(B) lever
(C) generator
(D) microphone
Ans c
A raised hammer possess-
(A) kinetic energy only
(B) gravitational potential energy
(C) electrical energy
(D) sound energy
Ans b
For more mcq question on Gravitation
0 Comments