T1 - Force and Motion English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021

7th Standard

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Science

Time : 00:10:00 Hrs
Total Marks : 10

Part A

10 x 1 = 10
1. From the given v-t graph it can be inferred that the object is

(a)

in uniform motion

(b)

at rest

(c)

in non uniform motion

(d)

moving with uniform acceleration

2. Suppose a boy is enjoying a ride on a marry go round which is moving with a constant speed of 10 m/s. It implies that the boy

(a)

at rest

(b)

moving with no acceleration

(c)

in accelerated motion

(d)

moving with uniform velocity

3. Which of the following is correct

(a)

magnitude of displacement may be greater than distance

(b)

Distance is always greater than or equal to the magnitude of displacement.

(c)

Distance is always greater than the magnitude of displacement.

(d)

Both are scalar quantities.

4. A car is moving along a straight road with uniform velocity which is the correct representation:

(a)

(b)

(c)

(d)

5. The slope of a velocity-time graph gives _______

(a)

velocity

(b)

distance

(c)

displacement

(d)

acceleration

6. Velocity-time graph of an object is given below the object has

(a)

uniform velocity

(b)

uniform retardation

(c)

uniform speed

(d)

variable retardation

7. Which one of the following graphs is showing an object is stationary?

(a)

(b)

(c)

(d)

8. If the velocity of a body does not change, then its acceleration is ____________

(a)

infinity

(b)

unity

(c)

zero

(d)

between zero and unity

9. If the distance travelled by a car is direct proportional to the duration of time. The car will travel with __________

(a)

uniform speed

(b)

non-uniform acceleration

(c)

uniform acceleration

(d)

uniform velocity

10. Which of the following graphs represent the object moving with uniform acceleration?

(a)

only D

(b)

only B

(c)

both A & C

(d)

only A