5th Grade > Science
FORCE AND SIMPLE MACHINES MCQs
Total Questions : 36
| Page 4 of 4 pages
Answer: Option D. ->
:
D
:
D
Greater the length of the effort arm and smaller the length of the load arm, lesser force will be required to lift the block. In the following lever, the length of the effort arm is greatest and the length of load arm is smallest, so least force will be required to lift the block in this case.
Answer: Option C. ->
both strength of force and net distance
:
C
:
C
Work done on an object depends on:
(i) Strength of the force applied: Consider a lighter and a heavier bag, it is harder to lift the heavier bag. Hence, work done depends on the strength of the force.
(ii) Net Distance: Consider a bag, in first case you lifted it to a larger height. It requires more effort to lift the bag to larger distance. Hence, work done also depends on the net distance.
Answer: Option A. ->
True
:
A
The energy possessed by an object by virtue of its motion is called kinetic energy.
:
A
The energy possessed by an object by virtue of its motion is called kinetic energy.
Answer: Option A. ->
potential
:
A
Potential energy is the energy possessed by a body due to it's position. For example, if a wheelbarrow is placed on top of a hill, then it possesses potential energy.
:
A
Potential energy is the energy possessed by a body due to it's position. For example, if a wheelbarrow is placed on top of a hill, then it possesses potential energy.
Answer: Option A. ->
True
:
A
Force can majorly be categorised into contact and non-contact forces. In a contact force, the object on which the force is applied and the object which is applying the force are in contact.
Frictional force and normal force are contact forces.
:
A
Force can majorly be categorised into contact and non-contact forces. In a contact force, the object on which the force is applied and the object which is applying the force are in contact.
Frictional force and normal force are contact forces.
Answer: Option A. ->
True
:
A
A pulley is a simple machine. It changes the direction of the force applied. It is mostly used to reduce the amount effort required to pull an object.
:
A
A pulley is a simple machine. It changes the direction of the force applied. It is mostly used to reduce the amount effort required to pull an object.
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